112120120099991 has 2 divisors, whose sum is σ = 112120120099992. Its totient is φ = 112120120099990.

The previous prime is 112120120099943. The next prime is 112120120100041. The reversal of 112120120099991 is 199990021021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112120120099991 - 2¹⁰ = 112120120098967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120120092991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060060049995 + 56060060049996.

It is an arithmetic number, because the mean of its divisors is an integer number (56060060049996).

Almost surely, 2^{112120120099991} is an apocalyptic number.

112120120099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120120099991 is an equidigital number, since it uses as much as digits as its factorization.

112120120099991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 112120120099991 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred twenty million, ninety-nine thousand, nine hundred ninety-one".