112012002210121 has 4 divisors (see below), whose sum is σ = 120628310072452. Its totient is φ = 103395694347792.

The previous prime is 112012002210113. The next prime is 112012002210131. The reversal of 112012002210121 is 121012200210211.

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 8477531024400 + 103534471185721 = 2911620^2 + 10175189^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012002210121 - 2³ = 112012002210113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112012002210095 and 112012002210104.

It is not an unprimeable number, because it can be changed into a prime (112012002210131) 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, 4308153931146 + ... + 4308153931171.

It is an arithmetic number, because the mean of its divisors is an integer number (30157077518113).

Almost surely, 2^{112012002210121} is an apocalyptic number.

It is an amenable number.

112012002210121 is a deficient number, since it is larger than the sum of its proper divisors (8616307862331).

112012002210121 is an equidigital number, since it uses as much as digits as its factorization.

112012002210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616307862330.

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

Adding to 112012002210121 its reverse (121012200210211), we get a palindrome (233024202420332).

The spelling of 112012002210121 in words is "one hundred twelve trillion, twelve billion, two million, two hundred ten thousand, one hundred twenty-one".