Q: What is the negative version of the number 221,999,999?
A: -221,999,999
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 221,999,997 | 221,999,998 | 222,000,000 | 222,000,001 |
| -221,999,997 | -221,999,998 | -222,000,000 | -222,000,001 |