113312201112 has 288 divisors, whose sum is σ = 347371315200. Its totient is φ = 33326536320.

The previous prime is 113312201099. The next prime is 113312201117. The reversal of 113312201112 is 211102213311.

113312201112 is a `hidden beast` number, since 1 + 1 + 331 + 220 + 1 + 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 not an unprimeable number, because it can be changed into a prime (113312201117) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52000839 + ... + 52003017.

It is an arithmetic number, because the mean of its divisors is an integer number (1206150400).

Almost surely, 2^113312201112 is an apocalyptic number.

113312201112 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 113312201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173685657600).

113312201112 is an abundant number, since it is smaller than the sum of its proper divisors (234059114088).

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

113312201112 is a wasteful number, since it uses less digits than its factorization.

113312201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113312201112 its reverse (211102213311), we get a palindrome (324414414423).

The spelling of 113312201112 in words is "one hundred thirteen billion, three hundred twelve million, two hundred one thousand, one hundred twelve".