11001100109 has 4 divisors (see below), whose sum is σ = 11043906204. Its totient is φ = 10958294016.

The previous prime is 11001100093. The next prime is 11001100139. The reversal of 11001100109 is 90100110011.

It is a happy number.

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 10332722500 + 668377609 = 101650^2 + 25853^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001100109 - 2⁴ = 11001100093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001100093 and 11001100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001100139) 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, 21402662 + ... + 21403175.

It is an arithmetic number, because the mean of its divisors is an integer number (2760976551).

Almost surely, 2^11001100109 is an apocalyptic number.

It is an amenable number.

11001100109 is a deficient number, since it is larger than the sum of its proper divisors (42806095).

11001100109 is an equidigital number, since it uses as much as digits as its factorization.

11001100109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42806094.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 11001100109 in words is "eleven billion, one million, one hundred thousand, one hundred nine".