21201333322 has 8 divisors (see below), whose sum is σ = 34248307716. Its totient is φ = 9785230752.

The previous prime is 21201333313. The next prime is 21201333343. The reversal of 21201333322 is 22333310212.

It can be written as a sum of positive squares in 2 ways, for example, as 20090511081 + 1110822241 = 141741^2 + 33329^2 .

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 = 21201333293 and 21201333302.

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, 407717923 + ... + 407717974.

Almost surely, 2^21201333322 is an apocalyptic number.

21201333322 is a deficient number, since it is larger than the sum of its proper divisors (13046974394).

21201333322 is a wasteful number, since it uses less digits than its factorization.

21201333322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815435912.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21201333322 its reverse (22333310212), we get a palindrome (43534643534).

The spelling of 21201333322 in words is "twenty-one billion, two hundred one million, three hundred thirty-three thousand, three hundred twenty-two".