21336411322 has 8 divisors (see below), whose sum is σ = 32170444596. Its totient is φ = 10612929792.

The previous prime is 21336411319. The next prime is 21336411329. The reversal of 21336411322 is 22311463312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21100758121 + 235653201 = 145261^2 + 15351^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21336411329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27637453 + ... + 27638224.

Almost surely, 2^21336411322 is an apocalyptic number.

21336411322 is a deficient number, since it is larger than the sum of its proper divisors (10834033274).

21336411322 is a wasteful number, since it uses less digits than its factorization.

21336411322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55275872.

The product of its digits is 5184, while the sum is 28.

Adding to 21336411322 its reverse (22311463312), we get a palindrome (43647874634).

The spelling of 21336411322 in words is "twenty-one billion, three hundred thirty-six million, four hundred eleven thousand, three hundred twenty-two".