21122331322 has 8 divisors (see below), whose sum is σ = 31800411072. Its totient is φ = 10522194300.

The previous prime is 21122331299. The next prime is 21122331341. The reversal of 21122331322 is 22313322112.

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 = 21122331293 and 21122331302.

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, 19485004 + ... + 19486087.

It is an arithmetic number, because the mean of its divisors is an integer number (3975051384).

Almost surely, 2^21122331322 is an apocalyptic number.

21122331322 is a deficient number, since it is larger than the sum of its proper divisors (10678079750).

21122331322 is a wasteful number, since it uses less digits than its factorization.

21122331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38971364.

The product of its digits is 864, while the sum is 22.

Adding to 21122331322 its reverse (22313322112), we get a palindrome (43435653434).

The spelling of 21122331322 in words is "twenty-one billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty-two".