111310021312999 has 2 divisors, whose sum is σ = 111310021313000. Its totient is φ = 111310021312998.

The previous prime is 111310021312979. The next prime is 111310021313069. The reversal of 111310021312999 is 999213120013111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111310021312999 - 2⁷ = 111310021312871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111310021312979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655010656499 + 55655010656500.

It is an arithmetic number, because the mean of its divisors is an integer number (55655010656500).

Almost surely, 2^{111310021312999} is an apocalyptic number.

111310021312999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111310021312999 is an equidigital number, since it uses as much as digits as its factorization.

111310021312999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 111310021312999 in words is "one hundred eleven trillion, three hundred ten billion, twenty-one million, three hundred twelve thousand, nine hundred ninety-nine".