113212220033213 has 4 divisors (see below), whose sum is σ = 129385394323680. Its totient is φ = 97039045742748.

The previous prime is 113212220033207. The next prime is 113212220033233. The reversal of 113212220033213 is 312330022212311.

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 not a de Polignac number, because 113212220033213 - 2²⁶ = 113212152924349 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 (113212220033233) 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, 8086587145223 + ... + 8086587145236.

It is an arithmetic number, because the mean of its divisors is an integer number (32346348580920).

Almost surely, 2^{113212220033213} is an apocalyptic number.

It is an amenable number.

113212220033213 is a deficient number, since it is larger than the sum of its proper divisors (16173174290467).

113212220033213 is an equidigital number, since it uses as much as digits as its factorization.

113212220033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16173174290466.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113212220033213 its reverse (312330022212311), we get a palindrome (425542242245524).

The spelling of 113212220033213 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty million, thirty-three thousand, two hundred thirteen".