Q: What is the negative version of the number 221,121,131?
A: -221,121,131
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:
| 221,121,129 | 221,121,130 | 221,121,132 | 221,121,133 |
| -221,121,129 | -221,121,130 | -221,121,132 | -221,121,133 |