It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-111110110001111 is a prime.
It is a congruent number.
Almost surely, 2111110110001111 is an apocalyptic number.
111110110001111 is an equidigital number, since it uses as much as digits as its factorization.
111110110001111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8546931538560.
Adding to 111110110001111 its reverse (111100011011111), we get a palindrome (222210121012222).
The spelling of 111110110001111 in words is "one hundred eleven trillion, one hundred ten billion, one hundred ten million, one thousand, one hundred eleven".