13320132221 has 8 divisors (see below), whose sum is σ = 14536166688. Its totient is φ = 12104950000.

The previous prime is 13320132211. The next prime is 13320132233. The reversal of 13320132221 is 12223102331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13320132221 - 2⁶ = 13320132157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13320132193 and 13320132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180155 + ... + 243096.

It is an arithmetic number, because the mean of its divisors is an integer number (1817020836).

Almost surely, 2^13320132221 is an apocalyptic number.

13320132221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13320132221 is a deficient number, since it is larger than the sum of its proper divisors (1216034467).

13320132221 is a wasteful number, since it uses less digits than its factorization.

13320132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426123.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13320132221 its reverse (12223102331), we get a palindrome (25543234552).

It can be divided in two parts, 13320 and 132221, that added together give a palindrome (145541).

The spelling of 13320132221 in words is "thirteen billion, three hundred twenty million, one hundred thirty-two thousand, two hundred twenty-one".