Q: What is the negative version of the number 231,221,221?
A: -231,221,221
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:
| 231,221,219 | 231,221,220 | 231,221,222 | 231,221,223 |
| -231,221,219 | -231,221,220 | -231,221,222 | -231,221,223 |