13323233331021 has 16 divisors (see below), whose sum is σ = 17839581217920. Its totient is φ = 8844549762240.

The previous prime is 13323233330921. The next prime is 13323233331061. The reversal of 13323233331021 is 12013333232331.

It is not a de Polignac number, because 13323233331021 - 2⁷ = 13323233330893 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13323233331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323233331061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834810 + ... + 5478411.

It is an arithmetic number, because the mean of its divisors is an integer number (1114973826120).

Almost surely, 2^{13323233331021} is an apocalyptic number.

It is an amenable number.

13323233331021 is a deficient number, since it is larger than the sum of its proper divisors (4516347886899).

13323233331021 is a wasteful number, since it uses less digits than its factorization.

13323233331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315796.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 13323233331021 its reverse (12013333232331), we get a palindrome (25336566563352).

The spelling of 13323233331021 in words is "thirteen trillion, three hundred twenty-three billion, two hundred thirty-three million, three hundred thirty-one thousand, twenty-one".