113120221213 has 4 divisors (see below), whose sum is σ = 113173809408. Its totient is φ = 113066633020.

The previous prime is 113120221211. The next prime is 113120221231. The reversal of 113120221213 is 312122021311.

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 113120221213 - 2¹ = 113120221211 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 (113120221211) 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, 26790931 + ... + 26795152.

It is an arithmetic number, because the mean of its divisors is an integer number (28293452352).

Almost surely, 2^113120221213 is an apocalyptic number.

It is an amenable number.

113120221213 is a deficient number, since it is larger than the sum of its proper divisors (53588195).

113120221213 is an equidigital number, since it uses as much as digits as its factorization.

113120221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53588194.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113120221213 its reverse (312122021311), we get a palindrome (425242242524).

The spelling of 113120221213 in words is "one hundred thirteen billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirteen".