22100202212 has 12 divisors (see below), whose sum is σ = 42191295216. Its totient is φ = 10045546440.

The previous prime is 22100202209. The next prime is 22100202259. The reversal of 22100202212 is 21220200122.

It is a super-2 number, since 2×22100202212² (a number of 21 digits) contains 22 as substring.

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, 251138618 + ... + 251138705.

It is an arithmetic number, because the mean of its divisors is an integer number (3515941268).

Almost surely, 2^22100202212 is an apocalyptic number.

22100202212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22100202212 is a deficient number, since it is larger than the sum of its proper divisors (20091093004).

22100202212 is a wasteful number, since it uses less digits than its factorization.

22100202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502277338 (or 502277336 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22100202212 its reverse (21220200122), we get a palindrome (43320402334).

The spelling of 22100202212 in words is "twenty-two billion, one hundred million, two hundred two thousand, two hundred twelve".