21322302231330 has 24 divisors (see below), whose sum is σ = 55437985801692. Its totient is φ = 5685947261664.

The previous prime is 21322302231323. The next prime is 21322302231343. The reversal of 21322302231330 is 3313220322312.

21322302231330 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 302 + 23 + 1 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21319376178681 + 2926052649 = 4617291^2 + 54093^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21322302231294 and 21322302231303.

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 11 ways as a sum of consecutive naturals, for example, 118457234529 + ... + 118457234708.

Almost surely, 2^{21322302231330} is an apocalyptic number.

21322302231330 is an abundant number, since it is smaller than the sum of its proper divisors (34115683570362).

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

21322302231330 is a wasteful number, since it uses less digits than its factorization.

21322302231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236914469250 (or 236914469247 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21322302231330 its reverse (3313220322312), we get a palindrome (24635522553642).

The spelling of 21322302231330 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred two million, two hundred thirty-one thousand, three hundred thirty".