21230312330102 has 16 divisors (see below), whose sum is σ = 32879052931200. Its totient is φ = 10270759504320.

The previous prime is 21230312330053. The next prime is 21230312330173. The reversal of 21230312330102 is 20103321303212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32545577 + ... + 33191492.

It is an arithmetic number, because the mean of its divisors is an integer number (2054940808200).

Almost surely, 2^{21230312330102} is an apocalyptic number.

21230312330102 is a deficient number, since it is larger than the sum of its proper divisors (11648740601098).

21230312330102 is a wasteful number, since it uses less digits than its factorization.

21230312330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65742311.

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

Adding to 21230312330102 its reverse (20103321303212), we get a palindrome (41333633633314).

The spelling of 21230312330102 in words is "twenty-one trillion, two hundred thirty billion, three hundred twelve million, three hundred thirty thousand, one hundred two".