111331112111022 has 16 divisors (see below), whose sum is σ = 222662970692352. Its totient is φ = 37110246291960.

The previous prime is 111331112110993. The next prime is 111331112111057. The reversal of 111331112111022 is 220111211133111.

It is a self number, because there is not a number n which added to its sum of digits gives 111331112111022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29154678 + ... + 32751449.

It is an arithmetic number, because the mean of its divisors is an integer number (13916435668272).

Almost surely, 2^{111331112111022} is an apocalyptic number.

111331112111022 is an abundant number, since it is smaller than the sum of its proper divisors (111331858581330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111331112111022 is a wasteful number, since it uses less digits than its factorization.

111331112111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62205863.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 111331112111022 its reverse (220111211133111), we get a palindrome (331442323244133).

The spelling of 111331112111022 in words is "one hundred eleven trillion, three hundred thirty-one billion, one hundred twelve million, one hundred eleven thousand, twenty-two".