Q: What is the negative version of the number 221,021,231?
A: -221,021,231
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:
| 221,021,229 | 221,021,230 | 221,021,232 | 221,021,233 |
| -221,021,229 | -221,021,230 | -221,021,232 | -221,021,233 |