111010110111111 has 32 divisors (see below), whose sum is σ = 156110788166400. Its totient is φ = 69973500119040.

The previous prime is 111010110111077. The next prime is 111010110111211. The reversal of 111010110111111 is 111111011010111.

It is not a de Polignac number, because 111010110111111 - 2⁷ = 111010110110983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010110111211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138688516 + ... + 139486646.

It is an arithmetic number, because the mean of its divisors is an integer number (4878462130200).

Almost surely, 2^{111010110111111} is an apocalyptic number.

111010110111111 is a deficient number, since it is larger than the sum of its proper divisors (45100678055289).

111010110111111 is a wasteful number, since it uses less digits than its factorization.

111010110111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802959.

The product of its (nonzero) digits is 1, while the sum is 12.

Adding to 111010110111111 its reverse (111111011010111), we get a palindrome (222121121121222).

The spelling of 111010110111111 in words is "one hundred eleven trillion, ten billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".