202313201121 has 10 divisors (see below), whose sum is σ = 302220954882. Its totient is φ = 134875467360.

The previous prime is 202313201119. The next prime is 202313201159. The reversal of 202313201121 is 121102313202.

202313201121 is a `hidden beast` number, since 2 + 0 + 231 + 320 + 112 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 202014291600 + 298909521 = 449460^2 + 17289^2 .

It is not a de Polignac number, because 202313201121 - 2¹ = 202313201119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202313201094 and 202313201103.

It is not an unprimeable number, because it can be changed into a prime (202313201621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1248846840 + ... + 1248847001.

Almost surely, 2^202313201121 is an apocalyptic number.

It is an amenable number.

202313201121 is a deficient number, since it is larger than the sum of its proper divisors (99907753761).

202313201121 is an equidigital number, since it uses as much as digits as its factorization.

202313201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497693853 (or 2497693844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 202313201121 its reverse (121102313202), we get a palindrome (323415514323).

The spelling of 202313201121 in words is "two hundred two billion, three hundred thirteen million, two hundred one thousand, one hundred twenty-one".