110001100985 has 4 divisors (see below), whose sum is σ = 132001321188. Its totient is φ = 88000880784.

The previous prime is 110001100967. The next prime is 110001100997. The reversal of 110001100985 is 589001100011.

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 67947806224 + 42053294761 = 260668^2 + 205069^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001100985 - 2¹⁰ = 110001099961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000110094 + ... + 11000110103.

It is an arithmetic number, because the mean of its divisors is an integer number (33000330297).

Almost surely, 2^110001100985 is an apocalyptic number.

It is an amenable number.

110001100985 is a deficient number, since it is larger than the sum of its proper divisors (22000220203).

110001100985 is an equidigital number, since it uses as much as digits as its factorization.

110001100985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000220202.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 110001100985 its reverse (589001100011), we get a palindrome (699002200996).

The spelling of 110001100985 in words is "one hundred ten billion, one million, one hundred thousand, nine hundred eighty-five".