112001109 has 48 divisors (see below), whose sum is σ = 174666240. Its totient is φ = 63676800.

The previous prime is 112001107. The next prime is 112001129. The reversal of 112001109 is 901100211.

It is not a de Polignac number, because 112001109 - 2¹ = 112001107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 416227 + ... + 416495.

It is an arithmetic number, because the mean of its divisors is an integer number (3638880).

Almost surely, 2^112001109 is an apocalyptic number.

It is an amenable number.

112001109 is a deficient number, since it is larger than the sum of its proper divisors (62665131).

112001109 is a wasteful number, since it uses less digits than its factorization.

112001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 112001109 is about 10583.0576394537. The cubic root of 112001109 is about 482.0300438106.

The spelling of 112001109 in words is "one hundred twelve million, one thousand, one hundred nine".