22100321122222 has 48 divisors (see below), whose sum is σ = 39190411118592. Its totient is φ = 9317993675760.

The previous prime is 22100321122133. The next prime is 22100321122247. The reversal of 22100321122222 is 22222112300122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100321122193 and 22100321122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208518 + ... + 6651625.

It is an arithmetic number, because the mean of its divisors is an integer number (816466898304).

Almost surely, 2^{22100321122222} is an apocalyptic number.

22100321122222 is a deficient number, since it is larger than the sum of its proper divisors (17090089996370).

22100321122222 is a wasteful number, since it uses less digits than its factorization.

22100321122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860693 (or 6860686 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22100321122222 its reverse (22222112300122), we get a palindrome (44322433422344).

The spelling of 22100321122222 in words is "twenty-two trillion, one hundred billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".