2122112231 has 2 divisors, whose sum is σ = 2122112232. Its totient is φ = 2122112230.

The previous prime is 2122112219. The next prime is 2122112297. The reversal of 2122112231 is 1322112212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122112231 - 2²² = 2117917927 is a prime.

It is a super-2 number, since 2×2122112231² = 9006720641919594722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122112131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061056115 + 1061056116.

It is an arithmetic number, because the mean of its divisors is an integer number (1061056116).

Almost surely, 2^2122112231 is an apocalyptic number.

2122112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122112231 is an equidigital number, since it uses as much as digits as its factorization.

2122112231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 2122112231 is about 46066.3893853208. The cubic root of 2122112231 is about 1285.0581574207.

Adding to 2122112231 its reverse (1322112212), we get a palindrome (3444224443).

The spelling of 2122112231 in words is "two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred thirty-one".