22020102111021 has 32 divisors (see below), whose sum is σ = 34066013921280. Its totient is φ = 12391194442176.

The previous prime is 22020102111017. The next prime is 22020102111079. The reversal of 22020102111021 is 12011120102022.

It is not a de Polignac number, because 22020102111021 - 2² = 22020102111017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020102111121) 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, 1985115 + ... + 6926823.

It is an arithmetic number, because the mean of its divisors is an integer number (1064562935040).

Almost surely, 2^{22020102111021} is an apocalyptic number.

22020102111021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22020102111021 is a deficient number, since it is larger than the sum of its proper divisors (12045911810259).

22020102111021 is a wasteful number, since it uses less digits than its factorization.

22020102111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944953.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22020102111021 its reverse (12011120102022), we get a palindrome (34031222213043).

The spelling of 22020102111021 in words is "twenty-two trillion, twenty billion, one hundred two million, one hundred eleven thousand, twenty-one".