To find the product of 11011 and 11 in binary, you can use the standard multiplication algorithm that you would use for decimal numbers.
First, you need to multiply 11011 by the rightmost digit of 11, which is 1. This gives you 11011.
Then, you need to multiply 11011 by the next digit of 11, which is 1. This gives you 100110.
Finally, you need to add these two results together to get the final answer:
11011
100110
110121
The product of 11011 and 11 in binary is 110121.