13333331000021 has 8 divisors (see below), whose sum is σ = 14035685086080. Its totient is φ = 12631036896288.

The previous prime is 13333331000009. The next prime is 13333331000039. The reversal of 13333331000021 is 12000013333331.

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 13333331000021 - 2⁴² = 8935284488917 is a prime.

It is a super-2 number, since 2×13333331000021² (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 (13333231000021) 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, 14538941 + ... + 15428786.

It is an arithmetic number, because the mean of its divisors is an integer number (1754460635760).

Almost surely, 2^{13333331000021} is an apocalyptic number.

It is an amenable number.

13333331000021 is a deficient number, since it is larger than the sum of its proper divisors (702354086059).

13333331000021 is a wasteful number, since it uses less digits than its factorization.

13333331000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29991163.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13333331000021 its reverse (12000013333331), we get a palindrome (25333344333352).

The spelling of 13333331000021 in words is "thirteen trillion, three hundred thirty-three billion, three hundred thirty-one million, twenty-one", and thus it is an aban number.