1110112212222 has 384 divisors, whose sum is σ = 3010255073280. Its totient is φ = 291755520000.

The previous prime is 1110112212221. The next prime is 1110112212229. The reversal of 1110112212222 is 2222122110111.

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 = 1110112212195 and 1110112212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110112212221) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 236644897 + ... + 236649587.

It is an arithmetic number, because the mean of its divisors is an integer number (7839205920).

Almost surely, 2^{1110112212222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110112212222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505127536640).

1110112212222 is an abundant number, since it is smaller than the sum of its proper divisors (1900142861058).

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

1110112212222 is a wasteful number, since it uses less digits than its factorization.

1110112212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 4877 counting only the distinct ones).

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

Adding to 1110112212222 its reverse (2222122110111), we get a palindrome (3332234322333).

The spelling of 1110112212222 in words is "one trillion, one hundred ten billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".