21332100322 has 8 divisors (see below), whose sum is σ = 34459546716. Its totient is φ = 9845584752.

The previous prime is 21332100313. The next prime is 21332100341. The reversal of 21332100322 is 22300123312.

It can be written as a sum of positive squares in 2 ways, for example, as 21042113481 + 289986841 = 145059^2 + 17029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21332100322.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 410232673 + ... + 410232724.

Almost surely, 2^21332100322 is an apocalyptic number.

21332100322 is a deficient number, since it is larger than the sum of its proper divisors (13127446394).

21332100322 is a wasteful number, since it uses less digits than its factorization.

21332100322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820465412.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21332100322 its reverse (22300123312), we get a palindrome (43632223634).

The spelling of 21332100322 in words is "twenty-one billion, three hundred thirty-two million, one hundred thousand, three hundred twenty-two".