221332113013 has 16 divisors (see below), whose sum is σ = 242212836096. Its totient is φ = 200578501440.

The previous prime is 221332113007. The next prime is 221332113031. The reversal of 221332113013 is 310311233122.

It is a cyclic number.

It is not a de Polignac number, because 221332113013 - 2²⁵ = 221298558581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221332113083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9766131 + ... + 9788767.

It is an arithmetic number, because the mean of its divisors is an integer number (15138302256).

Almost surely, 2^221332113013 is an apocalyptic number.

It is an amenable number.

221332113013 is a deficient number, since it is larger than the sum of its proper divisors (20880723083).

221332113013 is a wasteful number, since it uses less digits than its factorization.

221332113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25404.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 221332113013 its reverse (310311233122), we get a palindrome (531643346135).

The spelling of 221332113013 in words is "two hundred twenty-one billion, three hundred thirty-two million, one hundred thirteen thousand, thirteen".