111112210220112 has 240 divisors, whose sum is σ = 327616521343488. Its totient is φ = 35084828064000.

The previous prime is 111112210220059. The next prime is 111112210220131. The reversal of 111112210220112 is 211022012211111.

It is a happy number.

111112210220112 is a `hidden beast` number, since 1 + 1 + 111 + 221 + 0 + 220 + 112 = 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 47 ways as a sum of consecutive naturals, for example, 1152054163 + ... + 1152150605.

Almost surely, 2^{111112210220112} is an apocalyptic number.

111112210220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111112210220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163808260671744).

111112210220112 is an abundant number, since it is smaller than the sum of its proper divisors (216504311123376).

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

111112210220112 is a wasteful number, since it uses less digits than its factorization.

111112210220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99838 (or 99829 counting only the distinct ones).

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

Adding to 111112210220112 its reverse (211022012211111), we get a palindrome (322134222431223).

The spelling of 111112210220112 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred ten million, two hundred twenty thousand, one hundred twelve".