112323130021 has 4 divisors (see below), whose sum is σ = 112342700844. Its totient is φ = 112303559200.

The previous prime is 112323130019. The next prime is 112323130069. The reversal of 112323130021 is 120031323211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120031323211 = 1543 ⋅77790877.

It can be written as a sum of positive squares in 2 ways, for example, as 63134100225 + 49189029796 = 251265^2 + 221786^2 .

It is a cyclic number.

It is not a de Polignac number, because 112323130021 - 2¹ = 112323130019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112323130001) 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, 9776800 + ... + 9788281.

It is an arithmetic number, because the mean of its divisors is an integer number (28085675211).

Almost surely, 2^112323130021 is an apocalyptic number.

It is an amenable number.

112323130021 is a deficient number, since it is larger than the sum of its proper divisors (19570823).

112323130021 is an equidigital number, since it uses as much as digits as its factorization.

112323130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19570822.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 112323130021 its reverse (120031323211), we get a palindrome (232354453232).

The spelling of 112323130021 in words is "one hundred twelve billion, three hundred twenty-three million, one hundred thirty thousand, twenty-one".