112112010000121 has 4 divisors (see below), whose sum is σ = 113104151681652. Its totient is φ = 111119868318592.

The previous prime is 112112010000113. The next prime is 112112010000161. The reversal of 112112010000121 is 121000010211211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3340355696896 + 108771654303225 = 1827664^2 + 10429365^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112010000121 - 2³ = 112112010000113 is a prime.

It is a super-2 number, since 2×112112010000121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112112010000161) 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, 496070840596 + ... + 496070840821.

It is an arithmetic number, because the mean of its divisors is an integer number (28276037920413).

Almost surely, 2^{112112010000121} is an apocalyptic number.

It is an amenable number.

112112010000121 is a deficient number, since it is larger than the sum of its proper divisors (992141681531).

112112010000121 is an equidigital number, since it uses as much as digits as its factorization.

112112010000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992141681530.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112112010000121 its reverse (121000010211211), we get a palindrome (233112020211332).

The spelling of 112112010000121 in words is "one hundred twelve trillion, one hundred twelve billion, ten million, one hundred twenty-one", and thus it is an aban number.