Adding to 11111111110110 its reverse (1101111111111), we get a palindrome (12212222221221).
11111111110110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
Almost surely, 211111111110110 is an apocalyptic number.
11111111110110 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.
11111111110110 is a wasteful number, since it uses less digits than its factorization.
11111111110110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79976769.
The spelling of 11111111110110 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, one hundred ten".