113221132001 has 16 divisors (see below), whose sum is σ = 115344995328. Its totient is φ = 111113125200.

The previous prime is 113221131997. The next prime is 113221132027. The reversal of 113221132001 is 100231122311.

It is a cyclic number.

It is not a de Polignac number, because 113221132001 - 2² = 113221131997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113221132061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15542306 + ... + 15549588.

It is an arithmetic number, because the mean of its divisors is an integer number (7209062208).

Almost surely, 2^113221132001 is an apocalyptic number.

It is an amenable number.

113221132001 is a deficient number, since it is larger than the sum of its proper divisors (2123863327).

113221132001 is an equidigital number, since it uses as much as digits as its factorization.

113221132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332.

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

Adding to 113221132001 its reverse (100231122311), we get a palindrome (213452254312).

The spelling of 113221132001 in words is "one hundred thirteen billion, two hundred twenty-one million, one hundred thirty-two thousand, one".