22123231301111 has 2 divisors, whose sum is σ = 22123231301112. Its totient is φ = 22123231301110.

The previous prime is 22123231301107. The next prime is 22123231301113. The reversal of 22123231301111 is 11110313232122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123231301111 - 2² = 22123231301107 is a prime.

Together with 22123231301113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123231301113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061615650555 + 11061615650556.

It is an arithmetic number, because the mean of its divisors is an integer number (11061615650556).

Almost surely, 2^{22123231301111} is an apocalyptic number.

22123231301111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123231301111 is an equidigital number, since it uses as much as digits as its factorization.

22123231301111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 22123231301111 its reverse (11110313232122), we get a palindrome (33233544533233).

The spelling of 22123231301111 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred thirty-one million, three hundred one thousand, one hundred eleven".