Q: What is the negative version of the number 121,015,139?
A: -121,015,139
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:
| 121,015,137 | 121,015,138 | 121,015,140 | 121,015,141 |
| -121,015,137 | -121,015,138 | -121,015,140 | -121,015,141 |