112112222002121 has 32 divisors (see below), whose sum is σ = 127580962553856. Its totient is φ = 97593527160000.

The previous prime is 112112222002097. The next prime is 112112222002153. The reversal of 112112222002121 is 121200222211211.

It is a cyclic number.

It is not a de Polignac number, because 112112222002121 - 2²² = 112112217807817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112112222002093 and 112112222002102.

It is not an unprimeable number, because it can be changed into a prime (112112222052121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52930376 + ... + 55007718.

It is an arithmetic number, because the mean of its divisors is an integer number (3986905079808).

Almost surely, 2^{112112222002121} is an apocalyptic number.

112112222002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112112222002121 is a deficient number, since it is larger than the sum of its proper divisors (15468740551735).

112112222002121 is a wasteful number, since it uses less digits than its factorization.

112112222002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079053.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112112222002121 its reverse (121200222211211), we get a palindrome (233312444213332).

The spelling of 112112222002121 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, two thousand, one hundred twenty-one".