112120120999 has 4 divisors (see below), whose sum is σ = 112163971864. Its totient is φ = 112076270136.

The previous prime is 112120120979. The next prime is 112120121023. The reversal of 112120120999 is 999021021211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999021021211 = 41 ⋅24366366371.

It is a cyclic number.

It is not a de Polignac number, because 112120120999 - 2²³ = 112111732391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120120919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21921597 + ... + 21926710.

It is an arithmetic number, because the mean of its divisors is an integer number (28040992966).

Almost surely, 2^112120120999 is an apocalyptic number.

112120120999 is a deficient number, since it is larger than the sum of its proper divisors (43850865).

112120120999 is an equidigital number, since it uses as much as digits as its factorization.

112120120999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43850864.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 112120120999 in words is "one hundred twelve billion, one hundred twenty million, one hundred twenty thousand, nine hundred ninety-nine".