112120122121 has 8 divisors (see below), whose sum is σ = 134881350080. Its totient is φ = 91044911088.

The previous prime is 112120122113. The next prime is 112120122199. The reversal of 112120122121 is 121221021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112120122121 - 2³ = 112120122113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120122095 and 112120122104.

It is not an unprimeable number, because it can be changed into a prime (112120422121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421504086 + ... + 421504351.

It is an arithmetic number, because the mean of its divisors is an integer number (16860168760).

Almost surely, 2^112120122121 is an apocalyptic number.

It is an amenable number.

112120122121 is a deficient number, since it is larger than the sum of its proper divisors (22761227959).

112120122121 is an equidigital number, since it uses as much as digits as its factorization.

112120122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843008463.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112120122121 its reverse (121221021211), we get a palindrome (233341143332).

The spelling of 112120122121 in words is "one hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".