22112011011222 has 80 divisors (see below), whose sum is σ = 55915430274000. Its totient is φ = 6469553885760.

The previous prime is 22112011011179. The next prime is 22112011011253. The reversal of 22112011011222 is 22211011021122.

22112011011222 is a `hidden beast` number, since 221 + 1 + 201 + 10 + 11 + 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 = 22112011011195 and 22112011011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 213888597 + ... + 213991952.

It is an arithmetic number, because the mean of its divisors is an integer number (698942878425).

Almost surely, 2^{22112011011222} is an apocalyptic number.

22112011011222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22112011011222 is an abundant number, since it is smaller than the sum of its proper divisors (33803419262778).

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

22112011011222 is a wasteful number, since it uses less digits than its factorization.

22112011011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427880603 (or 427880594 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22112011011222 its reverse (22211011021122), we get a palindrome (44323022032344).

The spelling of 22112011011222 in words is "twenty-two trillion, one hundred twelve billion, eleven million, eleven thousand, two hundred twenty-two".