202113022231 has 2 divisors, whose sum is σ = 202113022232. Its totient is φ = 202113022230.

The previous prime is 202113022229. The next prime is 202113022247. The reversal of 202113022231 is 132220311202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202113022231 - 2¹ = 202113022229 is a prime.

It is a super-2 number, since 2×202113022231² (a number of 23 digits) contains 22 as substring.

Together with 202113022229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 202113022199 and 202113022208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202113022271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056511115 + 101056511116.

It is an arithmetic number, because the mean of its divisors is an integer number (101056511116).

Almost surely, 2^202113022231 is an apocalyptic number.

202113022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202113022231 is an equidigital number, since it uses as much as digits as its factorization.

202113022231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202113022231 its reverse (132220311202), we get a palindrome (334333333433).

The spelling of 202113022231 in words is "two hundred two billion, one hundred thirteen million, twenty-two thousand, two hundred thirty-one".