21322403112 has 32 divisors (see below), whose sum is σ = 54179880480. Its totient is φ = 6990951360.

The previous prime is 21322403101. The next prime is 21322403131. The reversal of 21322403112 is 21130422312.

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, 7280778 + ... + 7283705.

It is an arithmetic number, because the mean of its divisors is an integer number (1693121265).

Almost surely, 2^21322403112 is an apocalyptic number.

It is an amenable number.

21322403112 is an abundant number, since it is smaller than the sum of its proper divisors (32857477368).

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

21322403112 is a wasteful number, since it uses less digits than its factorization.

21322403112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564553 (or 14564549 counting only the distinct ones).

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

Adding to 21322403112 its reverse (21130422312), we get a palindrome (42452825424).

The spelling of 21322403112 in words is "twenty-one billion, three hundred twenty-two million, four hundred three thousand, one hundred twelve".