if the numbers have a significant meaning to you they could mean something. certain numbers in religions/cultures hold special meanings [like 4 meaning death in Asian cultures, seven being lucky to some eastern cultures, or 666 being the number of the beast for Christians] remembering more of the dream could help you figure out it meaning better. seeing numbers in dreams usually means you're being too analytical in your waking life and are causing unneeded worry/stress about a given situation. it could also mean you are ignoring or downplaying a situation you need to focus on. repeating numbers [such as 11, 22 and 99] usually means there an urgent matter you're ignoring or have overlooked.
11 has a bunch of meaning depending on how you look at it, but the one that might be for you is intuition and achievement. it could also be an equals sign which represents balance. 22 is capacity for knowledge and warns you to be more goals oriented. finally 99 implies a misunderstanding in a personal relationship.