22100323312 has 20 divisors (see below), whose sum is σ = 43361396320. Its totient is φ = 10910285568.

The previous prime is 22100323279. The next prime is 22100323327. The reversal of 22100323312 is 21332300122.

It is a self number, because there is not a number n which added to its sum of digits gives 22100323312.

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, 8740953 + ... + 8743480.

It is an arithmetic number, because the mean of its divisors is an integer number (2168069816).

Almost surely, 2^22100323312 is an apocalyptic number.

It is an amenable number.

22100323312 is a deficient number, since it is larger than the sum of its proper divisors (21261073008).

22100323312 is a wasteful number, since it uses less digits than its factorization.

22100323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17484520 (or 17484514 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22100323312 its reverse (21332300122), we get a palindrome (43432623434).

The spelling of 22100323312 in words is "twenty-two billion, one hundred million, three hundred twenty-three thousand, three hundred twelve".