11001112209 has 24 divisors (see below), whose sum is σ = 16336277672. Its totient is φ = 7128725760.

The previous prime is 11001112207. The next prime is 11001112219. The reversal of 11001112209 is 90221110011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4025521809 + 6975590400 = 63447^2 + 83520^2 .

It is not a de Polignac number, because 11001112209 - 2¹ = 11001112207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001112191 and 11001112200.

It is not an unprimeable number, because it can be changed into a prime (11001112207) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 327999 + ... + 359979.

Almost surely, 2^11001112209 is an apocalyptic number.

It is an amenable number.

11001112209 is a deficient number, since it is larger than the sum of its proper divisors (5335165463).

11001112209 is a wasteful number, since it uses less digits than its factorization.

11001112209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33057 (or 33054 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 11001112209 in words is "eleven billion, one million, one hundred twelve thousand, two hundred nine".