202102230113121 has 64 divisors (see below), whose sum is σ = 294154571612160. Its totient is φ = 122686771253760.

The previous prime is 202102230113111. The next prime is 202102230113159. The reversal of 202102230113121 is 121311032201202.

It is not a de Polignac number, because 202102230113121 - 2⁵ = 202102230113089 is a prime.

It is a super-2 number, since 2×202102230113121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202102230113101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2027277445 + ... + 2027377133.

It is an arithmetic number, because the mean of its divisors is an integer number (4596165181440).

Almost surely, 2^{202102230113121} is an apocalyptic number.

It is an amenable number.

202102230113121 is a deficient number, since it is larger than the sum of its proper divisors (92052341499039).

202102230113121 is a wasteful number, since it uses less digits than its factorization.

202102230113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102166.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 202102230113121 its reverse (121311032201202), we get a palindrome (323413262314323).

The spelling of 202102230113121 in words is "two hundred two trillion, one hundred two billion, two hundred thirty million, one hundred thirteen thousand, one hundred twenty-one".