21322011012330 has 32 divisors (see below), whose sum is σ = 58483230205824. Its totient is φ = 4873602517056.

The previous prime is 21322011012299. The next prime is 21322011012359. The reversal of 21322011012330 is 3321011022312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21322011012297 and 21322011012306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50766692677 + ... + 50766693096.

It is an arithmetic number, because the mean of its divisors is an integer number (1827600943932).

Almost surely, 2^{21322011012330} is an apocalyptic number.

21322011012330 is an abundant number, since it is smaller than the sum of its proper divisors (37161219193494).

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

21322011012330 is a wasteful number, since it uses less digits than its factorization.

21322011012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101533385790.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21322011012330 its reverse (3321011022312), we get a palindrome (24643022034642).

The spelling of 21322011012330 in words is "twenty-one trillion, three hundred twenty-two billion, eleven million, twelve thousand, three hundred thirty".