21310222323330 has 48 divisors (see below), whose sum is σ = 56345672597760. Its totient is φ = 5586408562464.

The previous prime is 21310222323307. The next prime is 21310222323347. The reversal of 21310222323330 is 3332322201312.

21310222323330 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 0 + 2 + 2 + 2 + 323 + 330 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21310222323294 and 21310222323303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2006606962 + ... + 2006617581.

It is an arithmetic number, because the mean of its divisors is an integer number (1173868179120).

Almost surely, 2^{21310222323330} is an apocalyptic number.

21310222323330 is an abundant number, since it is smaller than the sum of its proper divisors (35035450274430).

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

21310222323330 is a wasteful number, since it uses less digits than its factorization.

21310222323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013224615 (or 4013224612 counting only the distinct ones).

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

Adding to 21310222323330 its reverse (3332322201312), we get a palindrome (24642544524642).

The spelling of 21310222323330 in words is "twenty-one trillion, three hundred ten billion, two hundred twenty-two million, three hundred twenty-three thousand, three hundred thirty".