21233331322 has 16 divisors (see below), whose sum is σ = 36572513472. Its totient is φ = 9056869920.

The previous prime is 21233331293. The next prime is 21233331349. The reversal of 21233331322 is 22313333212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591043 + ... + 3596950.

It is an arithmetic number, because the mean of its divisors is an integer number (2285782092).

Almost surely, 2^21233331322 is an apocalyptic number.

21233331322 is a deficient number, since it is larger than the sum of its proper divisors (15339182150).

21233331322 is a wasteful number, since it uses less digits than its factorization.

21233331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188213.

The product of its digits is 3888, while the sum is 25.

Adding to 21233331322 its reverse (22313333212), we get a palindrome (43546664534).

The spelling of 21233331322 in words is "twenty-one billion, two hundred thirty-three million, three hundred thirty-one thousand, three hundred twenty-two".