21322311022 has 8 divisors (see below), whose sum is σ = 31987990656. Its totient is φ = 10659647472.

The previous prime is 21322311001. The next prime is 21322311053. The reversal of 21322311022 is 22011322312.

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

It is a congruent number.

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, 736263 + ... + 764674.

It is an arithmetic number, because the mean of its divisors is an integer number (3998498832).

Almost surely, 2^21322311022 is an apocalyptic number.

21322311022 is a deficient number, since it is larger than the sum of its proper divisors (10665679634).

21322311022 is a wasteful number, since it uses less digits than its factorization.

21322311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508042.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21322311022 its reverse (22011322312), we get a palindrome (43333633334).

The spelling of 21322311022 in words is "twenty-one billion, three hundred twenty-two million, three hundred eleven thousand, twenty-two".