202222201120021 has 12 divisors (see below), whose sum is σ = 215461018606720. Its totient is φ = 189270747406440.

The previous prime is 202222201120003. The next prime is 202222201120033. The reversal of 202222201120021 is 120021102222202.

It is not a de Polignac number, because 202222201120021 - 2²⁹ = 202221664249109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222201123021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772352325 + ... + 772614106.

Almost surely, 2^{202222201120021} is an apocalyptic number.

It is an amenable number.

202222201120021 is a deficient number, since it is larger than the sum of its proper divisors (13238817486699).

202222201120021 is an equidigital number, since it uses as much as digits as its factorization.

202222201120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544966616 (or 1544966533 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202222201120021 its reverse (120021102222202), we get a palindrome (322243303342223).

The spelling of 202222201120021 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty thousand, twenty-one".