22100245113212 has 12 divisors (see below), whose sum is σ = 44200490226480. Its totient is φ = 9471533619936.

The previous prime is 22100245113187. The next prime is 22100245113217. The reversal of 22100245113212 is 21231154200122.

22100245113212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100245113217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394647234137 + ... + 394647234192.

It is an arithmetic number, because the mean of its divisors is an integer number (3683374185540).

Almost surely, 2^{22100245113212} is an apocalyptic number.

It is an amenable number.

22100245113212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100245113212 is a wasteful number, since it uses less digits than its factorization.

22100245113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789294468340 (or 789294468338 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 22100245113212 its reverse (21231154200122), we get a palindrome (43331399313334).

The spelling of 22100245113212 in words is "twenty-two trillion, one hundred billion, two hundred forty-five million, one hundred thirteen thousand, two hundred twelve".