21232103222330 has 128 divisors (see below), whose sum is σ = 53544408293376. Its totient is φ = 5843139667200.

The previous prime is 21232103222311. The next prime is 21232103222377. The reversal of 21232103222330 is 3322230123212.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 21232103222330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45880406 + ... + 46340865.

It is an arithmetic number, because the mean of its divisors is an integer number (418315689792).

Almost surely, 2^{21232103222330} is an apocalyptic number.

21232103222330 is an abundant number, since it is smaller than the sum of its proper divisors (32312305071046).

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

21232103222330 is a wasteful number, since it uses less digits than its factorization.

21232103222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92221332.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21232103222330 its reverse (3322230123212), we get a palindrome (24554333345542).

The spelling of 21232103222330 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred three million, two hundred twenty-two thousand, three hundred thirty".