112321304021 has 4 divisors (see below), whose sum is σ = 113141167692. Its totient is φ = 111501440352.

The previous prime is 112321303979. The next prime is 112321304023. The reversal of 112321304021 is 120403123211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120403123211 = 7 ⋅17200446173.

It can be written as a sum of positive squares in 2 ways, for example, as 44736903121 + 67584400900 = 211511^2 + 259970^2 .

It is a cyclic number.

It is not a de Polignac number, because 112321304021 - 2⁶ = 112321303957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112321303984 and 112321304002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112321304023) 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, 409931630 + ... + 409931903.

It is an arithmetic number, because the mean of its divisors is an integer number (28285291923).

Almost surely, 2^112321304021 is an apocalyptic number.

It is an amenable number.

112321304021 is a deficient number, since it is larger than the sum of its proper divisors (819863671).

112321304021 is an equidigital number, since it uses as much as digits as its factorization.

112321304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819863670.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 112321304021 its reverse (120403123211), we get a palindrome (232724427232).

The spelling of 112321304021 in words is "one hundred twelve billion, three hundred twenty-one million, three hundred four thousand, twenty-one".