202200022121 has 16 divisors (see below), whose sum is σ = 212941638720. Its totient is φ = 191825200320.

The previous prime is 202200022111. The next prime is 202200022163. The reversal of 202200022121 is 121220002202.

It is a cyclic number.

It is not a de Polignac number, because 202200022121 - 2¹⁰ = 202200021097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202200022096 and 202200022105.

It is not an unprimeable number, because it can be changed into a prime (202200022111) 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, 339275 + ... + 720768.

It is an arithmetic number, because the mean of its divisors is an integer number (13308852420).

Almost surely, 2^202200022121 is an apocalyptic number.

It is an amenable number.

202200022121 is a deficient number, since it is larger than the sum of its proper divisors (10741616599).

202200022121 is a wasteful number, since it uses less digits than its factorization.

202200022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060216.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202200022121 its reverse (121220002202), we get a palindrome (323420024323).

The spelling of 202200022121 in words is "two hundred two billion, two hundred million, twenty-two thousand, one hundred twenty-one".