112102111 has 4 divisors (see below), whose sum is σ = 122293224. Its totient is φ = 101911000.

The previous prime is 112102099. The next prime is 112102121. The reversal of 112102111 is 111201211.

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 112102111 - 2¹¹ = 112100063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095540 + ... + 5095561.

It is an arithmetic number, because the mean of its divisors is an integer number (30573306).

Almost surely, 2^112102111 is an apocalyptic number.

112102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112102111 is a deficient number, since it is larger than the sum of its proper divisors (10191113).

112102111 is a wasteful number, since it uses less digits than its factorization.

112102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191112.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 112102111 is about 10587.8284364642. The cubic root of 112102111 is about 482.1748976468.

Adding to 112102111 its reverse (111201211), we get a palindrome (223303322).

The spelling of 112102111 in words is "one hundred twelve million, one hundred two thousand, one hundred eleven".