21300232021330 has 32 divisors (see below), whose sum is σ = 38465628364800. Its totient is φ = 8492270953920.

The previous prime is 21300232021319. The next prime is 21300232021349. The reversal of 21300232021330 is 3312023200312.

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 15 ways as a sum of consecutive naturals, for example, 65916996 + ... + 66239344.

It is an arithmetic number, because the mean of its divisors is an integer number (1202050886400).

Almost surely, 2^{21300232021330} is an apocalyptic number.

21300232021330 is a deficient number, since it is larger than the sum of its proper divisors (17165396343470).

21300232021330 is a wasteful number, since it uses less digits than its factorization.

21300232021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343914.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21300232021330 its reverse (3312023200312), we get a palindrome (24612255221642).

The spelling of 21300232021330 in words is "twenty-one trillion, three hundred billion, two hundred thirty-two million, twenty-one thousand, three hundred thirty".