21130334322 has 32 divisors (see below), whose sum is σ = 44051705280. Its totient is φ = 6748647360.

The previous prime is 21130334299. The next prime is 21130334327. The reversal of 21130334322 is 22343303112.

It is a junction number, because it is equal to n+sod(n) for n = 21130334292 and 21130334301.

It is not an unprimeable number, because it can be changed into a prime (21130334327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440713 + ... + 486300.

It is an arithmetic number, because the mean of its divisors is an integer number (1376615790).

Almost surely, 2^21130334322 is an apocalyptic number.

21130334322 is an abundant number, since it is smaller than the sum of its proper divisors (22921370958).

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

21130334322 is a wasteful number, since it uses less digits than its factorization.

21130334322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927178.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21130334322 its reverse (22343303112), we get a palindrome (43473637434).

The spelling of 21130334322 in words is "twenty-one billion, one hundred thirty million, three hundred thirty-four thousand, three hundred twenty-two".