13233332021 has 16 divisors (see below), whose sum is σ = 17144400000. Its totient is φ = 9919257408.

The previous prime is 13233331921. The next prime is 13233332027. The reversal of 13233332021 is 12023333231.

13233332021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13233332021 - 2²² = 13229137717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233332027) 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, 3825146 + ... + 3828603.

It is an arithmetic number, because the mean of its divisors is an integer number (1071525000).

Almost surely, 2^13233332021 is an apocalyptic number.

It is an amenable number.

13233332021 is a deficient number, since it is larger than the sum of its proper divisors (3911067979).

13233332021 is a wasteful number, since it uses less digits than its factorization.

13233332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653788.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13233332021 its reverse (12023333231), we get a palindrome (25256665252).

The spelling of 13233332021 in words is "thirteen billion, two hundred thirty-three million, three hundred thirty-two thousand, twenty-one".