112121122111110 has 48 divisors (see below), whose sum is σ = 333159905703456. Its totient is φ = 25627685053824.

The previous prime is 112121122111081. The next prime is 112121122111123. The reversal of 112121122111110 is 11111221121211.

112121122111110 is a `hidden beast` number, since 1 + 121 + 211 + 221 + 1 + 1 + 110 = 666.

It is a super-2 number, since 2×112121122111110² (a number of 29 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88985016919 + ... + 88985018178.

It is an arithmetic number, because the mean of its divisors is an integer number (6940831368822).

Almost surely, 2^{112121122111110} is an apocalyptic number.

112121122111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121122111110 is an abundant number, since it is smaller than the sum of its proper divisors (221038783592346).

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

112121122111110 is a wasteful number, since it uses less digits than its factorization.

112121122111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177970035117 (or 177970035114 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 112121122111110 its reverse (11111221121211), we get a palindrome (123232343232321).

The spelling of 112121122111110 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred ten".