202212221002121 has 32 divisors (see below), whose sum is σ = 228104285054976. Its totient is φ = 177671047680000.

The previous prime is 202212221002111. The next prime is 202212221002189. The reversal of 202212221002121 is 121200122212202.

202212221002121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202212221002121 - 2¹⁴ = 202212220985737 is a prime.

It is a super-2 number, since 2×202212221002121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202212221002093 and 202212221002102.

It is not an unprimeable number, because it can be changed into a prime (202212221002111) 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, 12847556 + ... + 23863866.

It is an arithmetic number, because the mean of its divisors is an integer number (7128258907968).

Almost surely, 2^{202212221002121} is an apocalyptic number.

It is an amenable number.

202212221002121 is a deficient number, since it is larger than the sum of its proper divisors (25892064052855).

202212221002121 is a wasteful number, since it uses less digits than its factorization.

202212221002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016773.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202212221002121 its reverse (121200122212202), we get a palindrome (323412343214323).

The spelling of 202212221002121 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, one hundred twenty-one".