22011221100212 has 12 divisors (see below), whose sum is σ = 39339203668800. Its totient is φ = 10771448623416.

The previous prime is 22011221100203. The next prime is 22011221100247. The reversal of 22011221100212 is 21200112211022.

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, 58540481462 + ... + 58540481837.

It is an arithmetic number, because the mean of its divisors is an integer number (3278266972400).

Almost surely, 2^{22011221100212} is an apocalyptic number.

It is an amenable number.

22011221100212 is a deficient number, since it is larger than the sum of its proper divisors (17327982568588).

22011221100212 is a wasteful number, since it uses less digits than its factorization.

22011221100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117080963350 (or 117080963348 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22011221100212 its reverse (21200112211022), we get a palindrome (43211333311234).

The spelling of 22011221100212 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, one hundred thousand, two hundred twelve".