202111130231 has 2 divisors, whose sum is σ = 202111130232. Its totient is φ = 202111130230.

The previous prime is 202111130219. The next prime is 202111130339. The reversal of 202111130231 is 132031111202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202111130231 - 2¹⁴ = 202111113847 is a prime.

It is a super-2 number, since 2×202111130231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202111135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055565115 + 101055565116.

It is an arithmetic number, because the mean of its divisors is an integer number (101055565116).

Almost surely, 2^202111130231 is an apocalyptic number.

202111130231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111130231 is an equidigital number, since it uses as much as digits as its factorization.

202111130231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 202111130231 its reverse (132031111202), we get a palindrome (334142241433).

The spelling of 202111130231 in words is "two hundred two billion, one hundred eleven million, one hundred thirty thousand, two hundred thirty-one".