21323113022 has 24 divisors (see below), whose sum is σ = 34071768720. Its totient is φ = 10006357760.

The previous prime is 21323113001. The next prime is 21323113027. The reversal of 21323113022 is 22031132312.

It is a junction number, because it is equal to n+sod(n) for n = 21323112985 and 21323113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323113027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156122 + ... + 258882.

It is an arithmetic number, because the mean of its divisors is an integer number (1419657030).

Almost surely, 2^21323113022 is an apocalyptic number.

21323113022 is a deficient number, since it is larger than the sum of its proper divisors (12748655698).

21323113022 is a wasteful number, since it uses less digits than its factorization.

21323113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103156 (or 103139 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21323113022 its reverse (22031132312), we get a palindrome (43354245334).

The spelling of 21323113022 in words is "twenty-one billion, three hundred twenty-three million, one hundred thirteen thousand, twenty-two".