22110120212 has 6 divisors (see below), whose sum is σ = 38692710378. Its totient is φ = 11055060104.

The previous prime is 22110120209. The next prime is 22110120223. The reversal of 22110120212 is 21202101122.

It can be written as a sum of positive squares in only one way, i.e., 17120675716 + 4989444496 = 130846^2 + 70636^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763765023 + ... + 2763765030.

It is an arithmetic number, because the mean of its divisors is an integer number (6448785063).

Almost surely, 2^22110120212 is an apocalyptic number.

It is an amenable number.

22110120212 is a deficient number, since it is larger than the sum of its proper divisors (16582590166).

22110120212 is a wasteful number, since it uses less digits than its factorization.

22110120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527530057 (or 5527530055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22110120212 its reverse (21202101122), we get a palindrome (43312221334).

The spelling of 22110120212 in words is "twenty-two billion, one hundred ten million, one hundred twenty thousand, two hundred twelve".