120
one hundred twenty
One-hundred-twenty
121.0121
One hundred twenty-five millionths = 0.000125
one hundred twenty-five thousand
Being English I write it as: one hundred and twenty, and nine hundredths; or one hundred and twenty point zero nine. Americans are likely to write it: one hundred twenty and nine hundredths
One hundred twenty-one and twenty-three hundredths.
121
One hundred twenty-six million, five hundred thousand
Two hundred twenty-one thousand, four hundred twenty-four.
one hundred and twenty and six tenths one hundred and twenty point six
The correct way to write it is ' 120 '.The correct way to say it is "One hundred twenty".