22111212020102 has 16 divisors (see below), whose sum is σ = 34912623942000. Its totient is φ = 10473676836480.

The previous prime is 22111212020101. The next prime is 22111212020111. The reversal of 22111212020102 is 20102021211122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111212020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6295274 + ... + 9157122.

It is an arithmetic number, because the mean of its divisors is an integer number (2182038996375).

Almost surely, 2^{22111212020102} is an apocalyptic number.

22111212020102 is a deficient number, since it is larger than the sum of its proper divisors (12801411921898).

22111212020102 is a wasteful number, since it uses less digits than its factorization.

22111212020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065191.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22111212020102 its reverse (20102021211122), we get a palindrome (42213233231224).

The spelling of 22111212020102 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, twenty thousand, one hundred two".