112012221010021 has 4 divisors (see below), whose sum is σ = 117907601063200. Its totient is φ = 106116840956844.

The previous prime is 112012221009989. The next prime is 112012221010229. The reversal of 112012221010021 is 120010122210211.

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 not a de Polignac number, because 112012221010021 - 2⁵ = 112012221009989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012221009977 and 112012221010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012221310021) 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, 2947690026561 + ... + 2947690026598.

It is an arithmetic number, because the mean of its divisors is an integer number (29476900265800).

Almost surely, 2^{112012221010021} is an apocalyptic number.

It is an amenable number.

112012221010021 is a deficient number, since it is larger than the sum of its proper divisors (5895380053179).

112012221010021 is an equidigital number, since it uses as much as digits as its factorization.

112012221010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895380053178.

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

Adding to 112012221010021 its reverse (120010122210211), we get a palindrome (232022343220232).

The spelling of 112012221010021 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, ten thousand, twenty-one".