13021100321 has 8 divisors (see below), whose sum is σ = 13242456000. Its totient is φ = 12799999440.

The previous prime is 13021100317. The next prime is 13021100363. The reversal of 13021100321 is 12300112031.

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 13021100321 - 2² = 13021100317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13021100296 and 13021100305.

It is not an unprimeable number, because it can be changed into a prime (13021100371) 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, 40820 + ... + 166458.

It is an arithmetic number, because the mean of its divisors is an integer number (1655307000).

Almost surely, 2^13021100321 is an apocalyptic number.

It is an amenable number.

13021100321 is a deficient number, since it is larger than the sum of its proper divisors (221355679).

13021100321 is a wasteful number, since it uses less digits than its factorization.

13021100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127399.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13021100321 its reverse (12300112031), we get a palindrome (25321212352).

The spelling of 13021100321 in words is "thirteen billion, twenty-one million, one hundred thousand, three hundred twenty-one".