How do you write 1,001 in words?
1,001 = one thousand one
How to write $1,001 on a check
The most common reason to write 1,001 as one thousand one would be if you're writing a check for $1,001. Just below the "pay to the order of" line, you would write the dollar amount in words. In this case, you might write "one thousand one and 00/100 dollars."