22122111112102 has 64 divisors (see below), whose sum is σ = 34315303680000. Its totient is φ = 10692079377408.

The previous prime is 22122111112043. The next prime is 22122111112103. The reversal of 22122111112102 is 20121111122122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122111112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122111112103) 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, 993839049 + ... + 993861307.

It is an arithmetic number, because the mean of its divisors is an integer number (536176620000).

Almost surely, 2^{22122111112102} is an apocalyptic number.

22122111112102 is a deficient number, since it is larger than the sum of its proper divisors (12193192567898).

22122111112102 is a wasteful number, since it uses less digits than its factorization.

22122111112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23045.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22122111112102 its reverse (20121111122122), we get a palindrome (42243222234224).

The spelling of 22122111112102 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred two".