21312130022033 has 8 divisors (see below), whose sum is σ = 21888322793280. Its totient is φ = 20735947211760.

The previous prime is 21312130022021. The next prime is 21312130022041. The reversal of 21312130022033 is 33022003121312.

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 21312130022033 - 2¹⁰ = 21312130021009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21312130022003) 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, 1952438 + ... + 6814416.

It is an arithmetic number, because the mean of its divisors is an integer number (2736040349160).

Almost surely, 2^{21312130022033} is an apocalyptic number.

It is an amenable number.

21312130022033 is a deficient number, since it is larger than the sum of its proper divisors (576192771247).

21312130022033 is a wasteful number, since it uses less digits than its factorization.

21312130022033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980487.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21312130022033 its reverse (33022003121312), we get a palindrome (54334133143345).

The spelling of 21312130022033 in words is "twenty-one trillion, three hundred twelve billion, one hundred thirty million, twenty-two thousand, thirty-three".