112321221391 has 2 divisors, whose sum is σ = 112321221392. Its totient is φ = 112321221390.

The previous prime is 112321221379. The next prime is 112321221451. The reversal of 112321221391 is 193122123211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112321221391 - 2⁵ = 112321221359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112321221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160610695 + 56160610696.

It is an arithmetic number, because the mean of its divisors is an integer number (56160610696).

Almost surely, 2^112321221391 is an apocalyptic number.

112321221391 is a deficient number, since it is larger than the sum of its proper divisors (1).

112321221391 is an equidigital number, since it uses as much as digits as its factorization.

112321221391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The spelling of 112321221391 in words is "one hundred twelve billion, three hundred twenty-one million, two hundred twenty-one thousand, three hundred ninety-one".