It is a congruent number.
It is an unprimeable number.
Almost surely, 211111011000110 is an apocalyptic number.
11111011000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11111011000110 is a wasteful number, since it uses less digits than its factorization.
11111011000110 is an odious number, because the sum of its binary digits is odd.
Adding to 11111011000110 its reverse (1100011011111), we get a palindrome (12211022011221).
The spelling of 11111011000110 in words is "eleven trillion, one hundred eleven billion, eleven million, one hundred ten", and thus it is an aban number.