112111120212 has 192 divisors, whose sum is σ = 334387791360. Its totient is φ = 28444483584.

The previous prime is 112111120211. The next prime is 112111120217. The reversal of 112111120212 is 212021111211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112111120191 and 112111120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111120211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3580368 + ... + 3611544.

It is an arithmetic number, because the mean of its divisors is an integer number (1741603080).

Almost surely, 2^112111120212 is an apocalyptic number.

112111120212 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 112111120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167193895680).

112111120212 is an abundant number, since it is smaller than the sum of its proper divisors (222276671148).

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

112111120212 is a wasteful number, since it uses less digits than its factorization.

112111120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330 (or 31328 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112111120212 its reverse (212021111211), we get a palindrome (324132231423).

Subtracting 112111120212 from its reverse (212021111211), we obtain a palindrome (99909990999).

The spelling of 112111120212 in words is "one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred twelve".