11312022113 has 4 divisors (see below), whose sum is σ = 12928025280. Its totient is φ = 9696018948.

The previous prime is 11312022061. The next prime is 11312022157. The reversal of 11312022113 is 31122021311.

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: 31122021311 = 3251 ⋅9573061.

It is not a de Polignac number, because 11312022113 - 2⁶ = 11312022049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11312022091 and 11312022100.

It is not an unprimeable number, because it can be changed into a prime (11312022313) 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, 808001573 + ... + 808001586.

It is an arithmetic number, because the mean of its divisors is an integer number (3232006320).

Almost surely, 2^11312022113 is an apocalyptic number.

It is an amenable number.

11312022113 is a deficient number, since it is larger than the sum of its proper divisors (1616003167).

11312022113 is an equidigital number, since it uses as much as digits as its factorization.

11312022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616003166.

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

Adding to 11312022113 its reverse (31122021311), we get a palindrome (42434043424).

The spelling of 11312022113 in words is "eleven billion, three hundred twelve million, twenty-two thousand, one hundred thirteen".