21133320322 has 8 divisors (see below), whose sum is σ = 33078240576. Its totient is φ = 10107240132.

The previous prime is 21133320283. The next prime is 21133320337. The reversal of 21133320322 is 22302333112.

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 = 21133320293 and 21133320302.

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, 229709958 + ... + 229710049.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780072).

Almost surely, 2^21133320322 is an apocalyptic number.

21133320322 is a deficient number, since it is larger than the sum of its proper divisors (11944920254).

21133320322 is a wasteful number, since it uses less digits than its factorization.

21133320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459420032.

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

Adding to 21133320322 its reverse (22302333112), we get a palindrome (43435653434).

The spelling of 21133320322 in words is "twenty-one billion, one hundred thirty-three million, three hundred twenty thousand, three hundred twenty-two".