22112102001222 has 16 divisors (see below), whose sum is σ = 49138004447280. Its totient is φ = 7370700667056.

The previous prime is 22112102001221. The next prime is 22112102001229. The reversal of 22112102001222 is 22210020121122.

It is a happy number.

22112102001222 is a `hidden beast` number, since 2 + 211 + 210 + 20 + 0 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22112102001195 and 22112102001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112102001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204741685143 + ... + 204741685250.

It is an arithmetic number, because the mean of its divisors is an integer number (3071125277955).

Almost surely, 2^{22112102001222} is an apocalyptic number.

22112102001222 is an abundant number, since it is smaller than the sum of its proper divisors (27025902446058).

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

22112102001222 is a wasteful number, since it uses less digits than its factorization.

22112102001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409483370404 (or 409483370398 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112102001222 its reverse (22210020121122), we get a palindrome (44322122122344).

The spelling of 22112102001222 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, one thousand, two hundred twenty-two".