21303222024332 has 24 divisors (see below), whose sum is σ = 38705405939760. Its totient is φ = 10247186577600.

The previous prime is 21303222024289. The next prime is 21303222024373. The reversal of 21303222024332 is 23342022230312.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 21303222024295 and 21303222024304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331463294 + ... + 331527557.

It is an arithmetic number, because the mean of its divisors is an integer number (1612725247490).

Almost surely, 2^{21303222024332} is an apocalyptic number.

It is an amenable number.

21303222024332 is a deficient number, since it is larger than the sum of its proper divisors (17402183915428).

21303222024332 is a wasteful number, since it uses less digits than its factorization.

21303222024332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662991161 (or 662991159 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 21303222024332 its reverse (23342022230312), we get a palindrome (44645244254644).

The spelling of 21303222024332 in words is "twenty-one trillion, three hundred three billion, two hundred twenty-two million, twenty-four thousand, three hundred thirty-two".