11112111223110 has 192 divisors, whose sum is σ = 31421358259200. Its totient is φ = 2820147580800.

The previous prime is 11112111223097. The next prime is 11112111223127. The reversal of 11112111223110 is 1132211121111.

11112111223110 is a `hidden beast` number, since 11 + 11 + 211 + 122 + 311 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10622560 + ... + 11621660.

It is an arithmetic number, because the mean of its divisors is an integer number (163652907600).

Almost surely, 2^{11112111223110} is an apocalyptic number.

11112111223110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112111223110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15710679129600).

11112111223110 is an abundant number, since it is smaller than the sum of its proper divisors (20309247036090).

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

11112111223110 is a wasteful number, since it uses less digits than its factorization.

11112111223110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999345 (or 999333 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 11112111223110 its reverse (1132211121111), we get a palindrome (12244322344221).

The spelling of 11112111223110 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-three thousand, one hundred ten".