22110211112112 has 40 divisors (see below), whose sum is σ = 63464494860080. Its totient is φ = 7370070370560.

The previous prime is 22110211112111. The next prime is 22110211112149. The reversal of 22110211112112 is 21121111201122.

It is a happy number.

22110211112112 is a `hidden beast` number, since 221 + 10 + 211 + 11 + 211 + 2 = 666.

It is a super-2 number, since 2×22110211112112² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22110211112111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25590521689 + ... + 25590522552.

It is an arithmetic number, because the mean of its divisors is an integer number (1586612371502).

Almost surely, 2^{22110211112112} is an apocalyptic number.

It is an amenable number.

22110211112112 is an abundant number, since it is smaller than the sum of its proper divisors (41354283747968).

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

22110211112112 is a wasteful number, since it uses less digits than its factorization.

22110211112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51181044258 (or 51181044246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 22110211112112 its reverse (21121111201122), we get a palindrome (43231322313234).

The spelling of 22110211112112 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred twelve thousand, one hundred twelve".