21332313103321 has 8 divisors (see below), whose sum is σ = 23271843247488. Its totient is φ = 19392821118000.

The previous prime is 21332313103247. The next prime is 21332313103373. The reversal of 21332313103321 is 12330131323312.

It is a happy number.

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

It is not a de Polignac number, because 21332313103321 - 2⁹ = 21332313102809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21332313103321.

It is not an unprimeable number, because it can be changed into a prime (21332313103391) 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, 8364510 + ... + 10612711.

It is an arithmetic number, because the mean of its divisors is an integer number (2908980405936).

Almost surely, 2^{21332313103321} is an apocalyptic number.

It is an amenable number.

21332313103321 is a deficient number, since it is larger than the sum of its proper divisors (1939530144167).

21332313103321 is a wasteful number, since it uses less digits than its factorization.

21332313103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19079423.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 21332313103321 its reverse (12330131323312), we get a palindrome (33662444426633).

The spelling of 21332313103321 in words is "twenty-one trillion, three hundred thirty-two billion, three hundred thirteen million, one hundred three thousand, three hundred twenty-one".