21303301322 has 8 divisors (see below), whose sum is σ = 32046514500. Its totient is φ = 10621129824.

The previous prime is 21303301303. The next prime is 21303301361. The reversal of 21303301322 is 22310330312.

It can be written as a sum of positive squares in 2 ways, for example, as 20104687681 + 1198613641 = 141791^2 + 34621^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21303301294 and 21303301303.

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, 15259547 + ... + 15260942.

Almost surely, 2^21303301322 is an apocalyptic number.

21303301322 is a deficient number, since it is larger than the sum of its proper divisors (10743213178).

21303301322 is a wasteful number, since it uses less digits than its factorization.

21303301322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30520840.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21303301322 its reverse (22310330312), we get a palindrome (43613631634).

The spelling of 21303301322 in words is "twenty-one billion, three hundred three million, three hundred one thousand, three hundred twenty-two".