112111801 has 4 divisors (see below), whose sum is σ = 114227172. Its totient is φ = 109996432.

The previous prime is 112111789. The next prime is 112111807. The reversal of 112111801 is 108111211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 42889401 = 8320^2 + 6549^2 .

It is a cyclic number.

It is not a de Polignac number, because 112111801 - 2⁷ = 112111673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111807) 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, 1057606 + ... + 1057711.

It is an arithmetic number, because the mean of its divisors is an integer number (28556793).

Almost surely, 2^112111801 is an apocalyptic number.

It is an amenable number.

112111801 is a deficient number, since it is larger than the sum of its proper divisors (2115371).

112111801 is an equidigital number, since it uses as much as digits as its factorization.

112111801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115370.

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

The square root of 112111801 is about 10588.2860274928. The cubic root of 112111801 is about 482.1887901599.

The spelling of 112111801 in words is "one hundred twelve million, one hundred eleven thousand, eight hundred one".