21330241322 has 16 divisors (see below), whose sum is σ = 34459028520. Its totient is φ = 9844016832.

The previous prime is 21330241279. The next prime is 21330241357. The reversal of 21330241322 is 22314203312.

It can be written as a sum of positive squares in 4 ways, for example, as 13132930801 + 8197310521 = 114599^2 + 90539^2 .

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 7 ways as a sum of consecutive naturals, for example, 558428 + ... + 595400.

Almost surely, 2^21330241322 is an apocalyptic number.

21330241322 is a deficient number, since it is larger than the sum of its proper divisors (13128787198).

21330241322 is a wasteful number, since it uses less digits than its factorization.

21330241322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59177.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21330241322 its reverse (22314203312), we get a palindrome (43644444634).

The spelling of 21330241322 in words is "twenty-one billion, three hundred thirty million, two hundred forty-one thousand, three hundred twenty-two".