21113402322 has 32 divisors (see below), whose sum is σ = 45000271872. Its totient is φ = 6588577424.

The previous prime is 21113402311. The next prime is 21113402327. The reversal of 21113402322 is 22320431112.

It is a super-2 number, since 2×21113402322² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21113402327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621128 + ... + 1634099.

It is an arithmetic number, because the mean of its divisors is an integer number (1406258496).

Almost surely, 2^21113402322 is an apocalyptic number.

21113402322 is an abundant number, since it is smaller than the sum of its proper divisors (23886869550).

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

21113402322 is a wasteful number, since it uses less digits than its factorization.

21113402322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255302.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21113402322 its reverse (22320431112), we get a palindrome (43433833434).

The spelling of 21113402322 in words is "twenty-one billion, one hundred thirteen million, four hundred two thousand, three hundred twenty-two".