111112102022111 has 4 divisors (see below), whose sum is σ = 111113148568824. Its totient is φ = 111111055475400.

The previous prime is 111112102022087. The next prime is 111112102022147. The reversal of 111112102022111 is 111220201211111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111112102022111 - 2¹⁴ = 111112102005727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111112102022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112102022161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523114085 + ... + 523326446.

It is an arithmetic number, because the mean of its divisors is an integer number (27778287142206).

Almost surely, 2^{111112102022111} is an apocalyptic number.

111112102022111 is a deficient number, since it is larger than the sum of its proper divisors (1046546713).

111112102022111 is a wasteful number, since it uses less digits than its factorization.

111112102022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046546712.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111112102022111 its reverse (111220201211111), we get a palindrome (222332303233222).

The spelling of 111112102022111 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred two million, twenty-two thousand, one hundred eleven".