Q: What is the negative version of the number 211,521,161?
A: -211,521,161
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:
| 211,521,159 | 211,521,160 | 211,521,162 | 211,521,163 |
| -211,521,159 | -211,521,160 | -211,521,162 | -211,521,163 |