113221013001 has 4 divisors (see below), whose sum is σ = 150961350672. Its totient is φ = 75480675332.

The previous prime is 113221012991. The next prime is 113221013021. The reversal of 113221013001 is 100310122311.

It is a happy number.

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 113221013001 - 2⁶ = 113221012937 is a prime.

It is a super-2 number, since 2×113221013001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113221013021) 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, 18870168831 + ... + 18870168836.

It is an arithmetic number, because the mean of its divisors is an integer number (37740337668).

Almost surely, 2^113221013001 is an apocalyptic number.

It is an amenable number.

113221013001 is a deficient number, since it is larger than the sum of its proper divisors (37740337671).

113221013001 is an equidigital number, since it uses as much as digits as its factorization.

113221013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37740337670.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113221013001 its reverse (100310122311), we get a palindrome (213531135312).

The spelling of 113221013001 in words is "one hundred thirteen billion, two hundred twenty-one million, thirteen thousand, one".