112100312321 has 4 divisors (see below), whose sum is σ = 112103722944. Its totient is φ = 112096901700.

The previous prime is 112100312299. The next prime is 112100312347. The reversal of 112100312321 is 123213001211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123213001211 = 55051 ⋅2238161.

It is a cyclic number.

It is not a de Polignac number, because 112100312321 - 2³⁰ = 111026570497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112100312321.

It is not an unprimeable number, because it can be changed into a prime (112100312351) 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, 1655525 + ... + 1721906.

It is an arithmetic number, because the mean of its divisors is an integer number (28025930736).

Almost surely, 2^112100312321 is an apocalyptic number.

It is an amenable number.

112100312321 is a deficient number, since it is larger than the sum of its proper divisors (3410623).

112100312321 is an equidigital number, since it uses as much as digits as its factorization.

112100312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410622.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112100312321 its reverse (123213001211), we get a palindrome (235313313532).

The spelling of 112100312321 in words is "one hundred twelve billion, one hundred million, three hundred twelve thousand, three hundred twenty-one".