112112012222121 has 8 divisors (see below), whose sum is σ = 150485922446400. Its totient is φ = 74239721739632.

The previous prime is 112112012222113. The next prime is 112112012222267. The reversal of 112112012222121 is 121222210211211.

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 112112012222121 - 2³ = 112112012222113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112112012222321) 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, 125404934925 + ... + 125404935818.

It is an arithmetic number, because the mean of its divisors is an integer number (18810740305800).

Almost surely, 2^{112112012222121} is an apocalyptic number.

It is an amenable number.

112112012222121 is a deficient number, since it is larger than the sum of its proper divisors (38373910224279).

112112012222121 is a wasteful number, since it uses less digits than its factorization.

112112012222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250809870895.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112112012222121 its reverse (121222210211211), we get a palindrome (233334222433332).

The spelling of 112112012222121 in words is "one hundred twelve trillion, one hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred twenty-one".