112120010021 has 4 divisors (see below), whose sum is σ = 118021063200. Its totient is φ = 106218956844.

The previous prime is 112120009997. The next prime is 112120010069. The reversal of 112120010021 is 120010021211.

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 112120010021 - 2¹⁴ = 112119993637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120009984 and 112120010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120010071) 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, 2950526561 + ... + 2950526598.

It is an arithmetic number, because the mean of its divisors is an integer number (29505265800).

Almost surely, 2^112120010021 is an apocalyptic number.

It is an amenable number.

112120010021 is a deficient number, since it is larger than the sum of its proper divisors (5901053179).

112120010021 is an equidigital number, since it uses as much as digits as its factorization.

112120010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901053178.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112120010021 its reverse (120010021211), we get a palindrome (232130031232).

The spelling of 112120010021 in words is "one hundred twelve billion, one hundred twenty million, ten thousand, twenty-one".