RU6 MP2 is 11.0.6200.XXX
11.0 would be common for all SEP 11 products. ( It is the product version )
If it is RU6, the next number would have it's first digit as 6. It is the Relase update
Example: RU5 is 11.0.5002.CCC
RU4 ( which was then called MR4), is 11.0.4000.XXX
The next number would tell you the Maintainance patch. For RU6 MP2 it is 11.0.6200, for RUg MP1 it is 11.0.6100