13432102221 has 4 divisors (see below), whose sum is σ = 17909469632. Its totient is φ = 8954734812.

The previous prime is 13432102171. The next prime is 13432102247. The reversal of 13432102221 is 12220123431.

13432102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 13432102221 - 2¹¹ = 13432100173 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 (13432102921) 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 3 ways as a sum of consecutive naturals, for example, 2238683701 + ... + 2238683706.

It is an arithmetic number, because the mean of its divisors is an integer number (4477367408).

Almost surely, 2^13432102221 is an apocalyptic number.

It is an amenable number.

13432102221 is a deficient number, since it is larger than the sum of its proper divisors (4477367411).

13432102221 is an equidigital number, since it uses as much as digits as its factorization.

13432102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477367410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13432102221 its reverse (12220123431), we get a palindrome (25652225652).

It can be divided in two parts, 1343210 and 2221, that added together give a palindrome (1345431).

The spelling of 13432102221 in words is "thirteen billion, four hundred thirty-two million, one hundred two thousand, two hundred twenty-one".