13201333221 has 16 divisors (see below), whose sum is σ = 18667623744. Its totient is φ = 8269657344.

The previous prime is 13201333177. The next prime is 13201333237. The reversal of 13201333221 is 12233310231.

It is not a de Polignac number, because 13201333221 - 2¹⁴ = 13201316837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201333021) 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 15 ways as a sum of consecutive naturals, for example, 179871 + ... + 242396.

It is an arithmetic number, because the mean of its divisors is an integer number (1166726484).

Almost surely, 2^13201333221 is an apocalyptic number.

It is an amenable number.

13201333221 is a deficient number, since it is larger than the sum of its proper divisors (5466290523).

13201333221 is a wasteful number, since it uses less digits than its factorization.

13201333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422900.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13201333221 its reverse (12233310231), we get a palindrome (25434643452).

The spelling of 13201333221 in words is "thirteen billion, two hundred one million, three hundred thirty-three thousand, two hundred twenty-one".