202201220222121 has 8 divisors (see below), whose sum is σ = 270352606426560. Its totient is φ = 134425323749552.

The previous prime is 202201220222119. The next prime is 202201220222159. The reversal of 202201220222121 is 121222022102202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202201220222121 - 2¹ = 202201220222119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202201220222101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93872431710 + ... + 93872433863.

It is an arithmetic number, because the mean of its divisors is an integer number (33794075803320).

Almost surely, 2^{202201220222121} is an apocalyptic number.

It is an amenable number.

202201220222121 is a deficient number, since it is larger than the sum of its proper divisors (68151386204439).

202201220222121 is a wasteful number, since it uses less digits than its factorization.

202201220222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187744865935.

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

Adding to 202201220222121 its reverse (121222022102202), we get a palindrome (323423242324323).

The spelling of 202201220222121 in words is "two hundred two trillion, two hundred one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty-one".