113313101221 has 4 divisors (see below), whose sum is σ = 114678319392. Its totient is φ = 111947883052.

The previous prime is 113313101219. The next prime is 113313101263. The reversal of 113313101221 is 122101313311.

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 113313101221 - 2¹ = 113313101219 is a prime.

It is a super-3 number, since 3×113313101221³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313101201) 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, 682608961 + ... + 682609126.

It is an arithmetic number, because the mean of its divisors is an integer number (28669579848).

Almost surely, 2^113313101221 is an apocalyptic number.

It is an amenable number.

113313101221 is a deficient number, since it is larger than the sum of its proper divisors (1365218171).

113313101221 is an equidigital number, since it uses as much as digits as its factorization.

113313101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365218170.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113313101221 its reverse (122101313311), we get a palindrome (235414414532).

The spelling of 113313101221 in words is "one hundred thirteen billion, three hundred thirteen million, one hundred one thousand, two hundred twenty-one".