Q: What is the negative version of the number 221,210,999?
A: -221,210,999
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:
| 221,210,997 | 221,210,998 | 221,211,000 | 221,211,001 |
| -221,210,997 | -221,210,998 | -221,211,000 | -221,211,001 |