20221112231 has 2 divisors, whose sum is σ = 20221112232. Its totient is φ = 20221112230.

The previous prime is 20221112227. The next prime is 20221112251. The reversal of 20221112231 is 13221112202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221112231 - 2² = 20221112227 is a prime.

It is a super-2 number, since 2×20221112231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221112221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110556115 + 10110556116.

It is an arithmetic number, because the mean of its divisors is an integer number (10110556116).

Almost surely, 2^20221112231 is an apocalyptic number.

20221112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221112231 is an equidigital number, since it uses as much as digits as its factorization.

20221112231 is an evil number, because the sum of its binary digits is even.

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

Adding to 20221112231 its reverse (13221112202), we get a palindrome (33442224433).

The spelling of 20221112231 in words is "twenty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred thirty-one".