Q: What is the negative version of the number 121,215,215?
A: -121,215,215
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:
| 121,215,213 | 121,215,214 | 121,215,216 | 121,215,217 |
| -121,215,213 | -121,215,214 | -121,215,216 | -121,215,217 |