112112011 has 4 divisors (see below), whose sum is σ = 122304024.
Its totient is φ = 101920000.
The previous prime is 112112009. The next prime is 112112069. The reversal of 112112011 is 110211211.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 112112011 - 21 = 112112009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (112112071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095990 + ... + 5096011.
It is an arithmetic number, because the mean of its divisors is an integer number (30576006).
Almost surely, 2112112011 is an apocalyptic number.
112112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
112112011 is a deficient number, since it is larger than the sum of its proper divisors (10192013).
112112011 is a wasteful number, since it uses less digits than its factorization.
112112011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10192012.
The product of its (nonzero) digits is 4, while the sum is 10.
The square root of 112112011 is about 10588.2959441073.
The cubic root of 112112011 is about 482.1890912272.
Adding to 112112011 its reverse (110211211), we get a palindrome (222323222).
The spelling of 112112011 in words is "one hundred twelve million, one hundred twelve thousand, eleven".