The way ou would write six thousand two hundred and three hundred eleven hundred thousandths is 6200.311
You write it as 11,500.003
Assuming you mean (eleven thousand-five hundred three) thousandths, that the same as 11503 / 1000 = 11.503 If you actually meant eleven thousand-five hundred AND three thousandths, that would be 11500.003
It is 4,311
Nine and three hundred thousand, eleven millionths
Twenty-two thousand, three hundred eleven.
one million three hundred five thousand two hundred eleven in standard form = 1,305,211
Eleven million, three hundred forty thousand, two hundred fourteen.