13233333130221 has 16 divisors (see below), whose sum is σ = 17666957491200. Its totient is φ = 8810970528048.

The previous prime is 13233333130189. The next prime is 13233333130247. The reversal of 13233333130221 is 12203133333231.

It is not a de Polignac number, because 13233333130221 - 2⁵ = 13233333130189 is a prime.

It is a super-2 number, since 2×13233333130221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233333130261) 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, 9779910 + ... + 11050488.

It is an arithmetic number, because the mean of its divisors is an integer number (1104184843200).

Almost surely, 2^{13233333130221} is an apocalyptic number.

It is an amenable number.

13233333130221 is a deficient number, since it is larger than the sum of its proper divisors (4433624360979).

13233333130221 is a wasteful number, since it uses less digits than its factorization.

13233333130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275008.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 13233333130221 its reverse (12203133333231), we get a palindrome (25436466463452).

The spelling of 13233333130221 in words is "thirteen trillion, two hundred thirty-three billion, three hundred thirty-three million, one hundred thirty thousand, two hundred twenty-one".