21303200221332 has 48 divisors (see below), whose sum is σ = 50157249842112. Its totient is φ = 7036836871680.

The previous prime is 21303200221327. The next prime is 21303200221393. The reversal of 21303200221332 is 23312200230312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5337207 + ... + 8431617.

It is an arithmetic number, because the mean of its divisors is an integer number (1044942705044).

Almost surely, 2^{21303200221332} is an apocalyptic number.

It is an amenable number.

21303200221332 is an abundant number, since it is smaller than the sum of its proper divisors (28854049620780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21303200221332 is a wasteful number, since it uses less digits than its factorization.

21303200221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099608 (or 3099606 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21303200221332 its reverse (23312200230312), we get a palindrome (44615400451644).

The spelling of 21303200221332 in words is "twenty-one trillion, three hundred three billion, two hundred million, two hundred twenty-one thousand, three hundred thirty-two".