22111112111102 has 32 divisors (see below), whose sum is σ = 37991563642560. Its totient is φ = 9454495115520.

The previous prime is 22111112111041. The next prime is 22111112111113. The reversal of 22111112111102 is 20111121111122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64711724 + ... + 65052512.

It is an arithmetic number, because the mean of its divisors is an integer number (1187236363830).

Almost surely, 2^{22111112111102} is an apocalyptic number.

22111112111102 is a deficient number, since it is larger than the sum of its proper divisors (15880451531458).

22111112111102 is a wasteful number, since it uses less digits than its factorization.

22111112111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351396.

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

Adding to 22111112111102 its reverse (20111121111122), we get a palindrome (42222233222224).

The spelling of 22111112111102 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred two".