21322110332 has 12 divisors (see below), whose sum is σ = 37320854760. Its totient is φ = 10659008976.

The previous prime is 21322110301. The next prime is 21322110401. The reversal of 21322110332 is 23301122312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487982 + ... + 529877.

It is an arithmetic number, because the mean of its divisors is an integer number (3110071230).

Almost surely, 2^21322110332 is an apocalyptic number.

It is an amenable number.

21322110332 is a deficient number, since it is larger than the sum of its proper divisors (15998744428).

21322110332 is a wasteful number, since it uses less digits than its factorization.

21322110332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023100 (or 1023098 counting only the distinct ones).

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

Adding to 21322110332 its reverse (23301122312), we get a palindrome (44623232644).

The spelling of 21322110332 in words is "twenty-one billion, three hundred twenty-two million, one hundred ten thousand, three hundred thirty-two".