21033323022 has 16 divisors (see below), whose sum is σ = 42068737872. Its totient is φ = 7010759040.

The previous prime is 21033323009. The next prime is 21033323033. The reversal of 21033323022 is 22032333012.

21033323022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 21033323022.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 63622 + ... + 214742.

It is an arithmetic number, because the mean of its divisors is an integer number (2629296117).

Almost surely, 2^21033323022 is an apocalyptic number.

21033323022 is an abundant number, since it is smaller than the sum of its proper divisors (21035414850).

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

21033323022 is a wasteful number, since it uses less digits than its factorization.

21033323022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174323.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21033323022 its reverse (22032333012), we get a palindrome (43065656034).

The spelling of 21033323022 in words is "twenty-one billion, thirty-three million, three hundred twenty-three thousand, twenty-two".