13332001021 has 4 divisors (see below), whose sum is σ = 13557967200. Its totient is φ = 13106034844.

The previous prime is 13332000989. The next prime is 13332001049. The reversal of 13332001021 is 12010023331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13332001021 - 2⁵ = 13332000989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13332000986 and 13332001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332001721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112983001 + ... + 112983118.

It is an arithmetic number, because the mean of its divisors is an integer number (3389491800).

Almost surely, 2^13332001021 is an apocalyptic number.

It is an amenable number.

13332001021 is a deficient number, since it is larger than the sum of its proper divisors (225966179).

13332001021 is an equidigital number, since it uses as much as digits as its factorization.

13332001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225966178.

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

Adding to 13332001021 its reverse (12010023331), we get a palindrome (25342024352).

The spelling of 13332001021 in words is "thirteen billion, three hundred thirty-two million, one thousand, twenty-one".