22100100200212 has 6 divisors (see below), whose sum is σ = 38675175350378. Its totient is φ = 11050050100104.

The previous prime is 22100100200203. The next prime is 22100100200267. The reversal of 22100100200212 is 21200200100122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21958727208196 + 141372992016 = 4686014^2 + 375996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22100100200192 and 22100100200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762512525023 + ... + 2762512525030.

Almost surely, 2^{22100100200212} is an apocalyptic number.

It is an amenable number.

22100100200212 is a deficient number, since it is larger than the sum of its proper divisors (16575075150166).

22100100200212 is a wasteful number, since it uses less digits than its factorization.

22100100200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525025050057 (or 5525025050055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100100200212 its reverse (21200200100122), we get a palindrome (43300300300334).

The spelling of 22100100200212 in words is "twenty-two trillion, one hundred billion, one hundred million, two hundred thousand, two hundred twelve".