13321300021 has 8 divisors (see below), whose sum is σ = 13432429184. Its totient is φ = 13210529760.

The previous prime is 13321300019. The next prime is 13321300123. The reversal of 13321300021 is 12000312331.

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 13321300021 - 2¹ = 13321300019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321299968 and 13321300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321300621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14925 + ... + 163906.

It is an arithmetic number, because the mean of its divisors is an integer number (1679053648).

Almost surely, 2^13321300021 is an apocalyptic number.

It is an amenable number.

13321300021 is a deficient number, since it is larger than the sum of its proper divisors (111129163).

13321300021 is a wasteful number, since it uses less digits than its factorization.

13321300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179451.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13321300021 its reverse (12000312331), we get a palindrome (25321612352).

The spelling of 13321300021 in words is "thirteen billion, three hundred twenty-one million, three hundred thousand, twenty-one".