110011997 has 4 divisors (see below), whose sum is σ = 110359356. Its totient is φ = 109664640.

The previous prime is 110011991. The next prime is 110011999. The reversal of 110011997 is 799110011.

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 13697401 + 96314596 = 3701^2 + 9814^2 .

It is a cyclic number.

It is not a de Polignac number, because 110011997 - 2⁶ = 110011933 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 (110011991) 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, 173204 + ... + 173837.

It is an arithmetic number, because the mean of its divisors is an integer number (27589839).

Almost surely, 2^110011997 is an apocalyptic number.

It is an amenable number.

110011997 is a deficient number, since it is larger than the sum of its proper divisors (347359).

110011997 is an equidigital number, since it uses as much as digits as its factorization.

110011997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347358.

The product of its (nonzero) digits is 567, while the sum is 29.

The square root of 110011997 is about 10488.6604006422. The cubic root of 110011997 is about 479.1594040622.

The spelling of 110011997 in words is "one hundred ten million, eleven thousand, nine hundred ninety-seven".