22112112202 has 12 divisors (see below), whose sum is σ = 34272626418. Its totient is φ = 10699408200.

The previous prime is 22112112193. The next prime is 22112112221. The reversal of 22112112202 is 20221121122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15214975801 + 6897136401 = 123349^2 + 83049^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 5750449 + ... + 5754292.

Almost surely, 2^22112112202 is an apocalyptic number.

22112112202 is a deficient number, since it is larger than the sum of its proper divisors (12160514216).

22112112202 is a wasteful number, since it uses less digits than its factorization.

22112112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504805 (or 11504774 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112112202 its reverse (20221121122), we get a palindrome (42333233324).

The spelling of 22112112202 in words is "twenty-two billion, one hundred twelve million, one hundred twelve thousand, two hundred two".