112012200112121 has 4 divisors (see below), whose sum is σ = 112438102013952. Its totient is φ = 111586298210292.

The previous prime is 112012200112069. The next prime is 112012200112129. The reversal of 112012200112121 is 121211002210211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112012200112121 is a prime.

It is a super-2 number, since 2×112012200112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012200112121.

It is not an unprimeable number, because it can be changed into a prime (112012200112129) 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, 212950950521 + ... + 212950951046.

It is an arithmetic number, because the mean of its divisors is an integer number (28109525503488).

Almost surely, 2^{112012200112121} is an apocalyptic number.

It is an amenable number.

112012200112121 is a deficient number, since it is larger than the sum of its proper divisors (425901901831).

112012200112121 is an equidigital number, since it uses as much as digits as its factorization.

112012200112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425901901830.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112012200112121 its reverse (121211002210211), we get a palindrome (233223202322332).

The spelling of 112012200112121 in words is "one hundred twelve trillion, twelve billion, two hundred million, one hundred twelve thousand, one hundred twenty-one".