13021333321 has 8 divisors (see below), whose sum is σ = 13691202624. Its totient is φ = 12360107760.

The previous prime is 13021333313. The next prime is 13021333333. The reversal of 13021333321 is 12333312031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021333321 - 2³ = 13021333313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021333292 and 13021333301.

It is not an unprimeable number, because it can be changed into a prime (13021333301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157846 + ... + 2163871.

It is an arithmetic number, because the mean of its divisors is an integer number (1711400328).

Almost surely, 2^13021333321 is an apocalyptic number.

It is an amenable number.

13021333321 is a deficient number, since it is larger than the sum of its proper divisors (669869303).

13021333321 is a wasteful number, since it uses less digits than its factorization.

13021333321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321871.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13021333321 its reverse (12333312031), we get a palindrome (25354645352).

The spelling of 13021333321 in words is "thirteen billion, twenty-one million, three hundred thirty-three thousand, three hundred twenty-one".