22111111110102 has 32 divisors (see below), whose sum is σ = 50541585721344. Its totient is φ = 6317222419200.

The previous prime is 22111111110097. The next prime is 22111111110119. The reversal of 22111111110102 is 20101111111122.

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, 8782299 + ... + 11015942.

It is an arithmetic number, because the mean of its divisors is an integer number (1579424553792).

Almost surely, 2^{22111111110102} is an apocalyptic number.

22111111110102 is an abundant number, since it is smaller than the sum of its proper divisors (28430474611242).

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

22111111110102 is a wasteful number, since it uses less digits than its factorization.

22111111110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19824844.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 22111111110102 its reverse (20101111111122), we get a palindrome (42212222221224).

The spelling of 22111111110102 in words is "twenty-two trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, one hundred two".