22121110102 has 16 divisors (see below), whose sum is σ = 40838972832. Its totient is φ = 8751208320.

The previous prime is 22121110097. The next prime is 22121110127. The reversal of 22121110102 is 20101112122.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 60772099 + ... + 60772462.

It is an arithmetic number, because the mean of its divisors is an integer number (2552435802).

Almost surely, 2^22121110102 is an apocalyptic number.

22121110102 is a deficient number, since it is larger than the sum of its proper divisors (18717862730).

22121110102 is a wasteful number, since it uses less digits than its factorization.

22121110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121544583.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22121110102 its reverse (20101112122), we get a palindrome (42222222224).

The spelling of 22121110102 in words is "twenty-two billion, one hundred twenty-one million, one hundred ten thousand, one hundred two".