12331113220291 has 2 divisors, whose sum is σ = 12331113220292. Its totient is φ = 12331113220290.

The previous prime is 12331113220289. The next prime is 12331113220303. The reversal of 12331113220291 is 19202231113321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12331113220291 - 2¹ = 12331113220289 is a prime.

Together with 12331113220289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12331113220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165556610145 + 6165556610146.

It is an arithmetic number, because the mean of its divisors is an integer number (6165556610146).

Almost surely, 2^{12331113220291} is an apocalyptic number.

12331113220291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331113220291 is an equidigital number, since it uses as much as digits as its factorization.

12331113220291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 12331113220291 in words is "twelve trillion, three hundred thirty-one billion, one hundred thirteen million, two hundred twenty thousand, two hundred ninety-one".