112122131321 has 4 divisors (see below), whose sum is σ = 112864662144. Its totient is φ = 111379600500.

The previous prime is 112122131291. The next prime is 112122131323. The reversal of 112122131321 is 123131221211.

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 a de Polignac number, because none of the positive numbers 2^k-112122131321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112122131293 and 112122131302.

It is not an unprimeable number, because it can be changed into a prime (112122131323) 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, 371265185 + ... + 371265486.

It is an arithmetic number, because the mean of its divisors is an integer number (28216165536).

Almost surely, 2^112122131321 is an apocalyptic number.

It is an amenable number.

112122131321 is a deficient number, since it is larger than the sum of its proper divisors (742530823).

112122131321 is an equidigital number, since it uses as much as digits as its factorization.

112122131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742530822.

The product of its digits is 144, while the sum is 20.

Adding to 112122131321 its reverse (123131221211), we get a palindrome (235253352532).

The spelling of 112122131321 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred twenty-one".