12223231111331 has 2 divisors, whose sum is σ = 12223231111332. Its totient is φ = 12223231111330.

The previous prime is 12223231111307. The next prime is 12223231111393. The reversal of 12223231111331 is 13311113232221.

12223231111331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12223231111331 - 2¹⁸ = 12223230849187 is a prime.

It is a super-2 number, since 2×12223231111331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12223231111331.

It is not a weakly prime, because it can be changed into another prime (12223231111631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111615555665 + 6111615555666.

It is an arithmetic number, because the mean of its divisors is an integer number (6111615555666).

Almost surely, 2^{12223231111331} is an apocalyptic number.

12223231111331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223231111331 is an equidigital number, since it uses as much as digits as its factorization.

12223231111331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

Adding to 12223231111331 its reverse (13311113232221), we get a palindrome (25534344343552).

The spelling of 12223231111331 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, one hundred eleven thousand, three hundred thirty-one".