21210231023093 has 8 divisors (see below), whose sum is σ = 24241251726912. Its totient is φ = 18179457244416.

The previous prime is 21210231023087. The next prime is 21210231023141. The reversal of 21210231023093 is 39032013201212.

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 21210231023093 - 2⁸ = 21210231022837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21210231026093) 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, 61547180 + ... + 61890837.

It is an arithmetic number, because the mean of its divisors is an integer number (3030156465864).

Almost surely, 2^{21210231023093} is an apocalyptic number.

It is an amenable number.

21210231023093 is a deficient number, since it is larger than the sum of its proper divisors (3031020703819).

21210231023093 is a wasteful number, since it uses less digits than its factorization.

21210231023093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123462571.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 21210231023093 in words is "twenty-one trillion, two hundred ten billion, two hundred thirty-one million, twenty-three thousand, ninety-three".