111213222312111 has 16 divisors (see below), whose sum is σ = 148413209308416. Its totient is φ = 74077698030336.

The previous prime is 111213222312089. The next prime is 111213222312139.

111213222312111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111213222312111 - 2¹⁸ = 111213222049967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213222312161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71150271 + ... + 72696543.

It is an arithmetic number, because the mean of its divisors is an integer number (9275825581776).

Almost surely, 2^{111213222312111} is an apocalyptic number.

111213222312111 is a deficient number, since it is larger than the sum of its proper divisors (37199986996305).

111213222312111 is a wasteful number, since it uses less digits than its factorization.

111213222312111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567102.

The product of its digits is 288, while the sum is 24.

The spelling of 111213222312111 in words is "one hundred eleven trillion, two hundred thirteen billion, two hundred twenty-two million, three hundred twelve thousand, one hundred eleven".