In word form it is: negative twenty-one million two thousand nine hundred forty-three.
The ordinal number is 18th or eighteenth. The word form is eighteen.
The number 23.5 in word form is "twenty-three point five."
That number in word form is: one hundred quintillion.
Twenty one million, two thousand nine hundred and forty three.
The number 50,000 in word form is "fifty thousand."
Exactly as you have done in the question.
The numeral 21,002,943 is "twenty-one million, two thousand, nine hundred forty-three."
Just like this:"this number in word form"
The ordinal number is 18th or eighteenth. The word form is eighteen.
word form means when you have a number and you write the number in words instead of letters
The number 23.5 in word form is "twenty-three point five."
That number in word form is: one hundred quintillion.
The number 50,000 in word form is "fifty thousand."
The number 7,000,000,000,000,000,000,000,000,000 in word form is seven septillion.
The number 10,000,000,000 in word form is ten billion.
The number 00.008 in word form is "eight thousandths."
Twenty one million, two thousand nine hundred and forty three.