13331100323021 has 16 divisors (see below), whose sum is σ = 14902476341760. Its totient is φ = 11842146250560.

The previous prime is 13331100323017. The next prime is 13331100323059. The reversal of 13331100323021 is 12032300113331.

It is not a de Polignac number, because 13331100323021 - 2² = 13331100323017 is a prime.

It is a super-2 number, since 2×13331100323021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331100323011) 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, 92329130 + ... + 92473403.

It is an arithmetic number, because the mean of its divisors is an integer number (931404771360).

Almost surely, 2^{13331100323021} is an apocalyptic number.

It is an amenable number.

13331100323021 is a deficient number, since it is larger than the sum of its proper divisors (1571376018739).

13331100323021 is a wasteful number, since it uses less digits than its factorization.

13331100323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184802756.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13331100323021 its reverse (12032300113331), we get a palindrome (25363400436352).

The spelling of 13331100323021 in words is "thirteen trillion, three hundred thirty-one billion, one hundred million, three hundred twenty-three thousand, twenty-one".