202220022122121 has 16 divisors (see below), whose sum is σ = 283818403967040. Its totient is φ = 127717535632320.

The previous prime is 202220022122119. The next prime is 202220022122147. The reversal of 202220022122121 is 121221220022202.

202220022122121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202220022122121 - 2¹ = 202220022122119 is a prime.

It is a super-2 number, since 2×202220022122121² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202220022122101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15199891 + ... + 25208663.

It is an arithmetic number, because the mean of its divisors is an integer number (17738650247940).

Almost surely, 2^{202220022122121} is an apocalyptic number.

It is an amenable number.

202220022122121 is a deficient number, since it is larger than the sum of its proper divisors (81598381844919).

202220022122121 is a wasteful number, since it uses less digits than its factorization.

202220022122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363256.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202220022122121 its reverse (121221220022202), we get a palindrome (323441242144323).

The spelling of 202220022122121 in words is "two hundred two trillion, two hundred twenty billion, twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".