11101200112009 has 4 divisors (see below), whose sum is σ = 12687085842304. Its totient is φ = 9515314381716.

The previous prime is 11101200112007. The next prime is 11101200112031. The reversal of 11101200112009 is 90021100210111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11101200112009 - 2¹ = 11101200112007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101200112007) 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, 792942865137 + ... + 792942865150.

It is an arithmetic number, because the mean of its divisors is an integer number (3171771460576).

Almost surely, 2^{11101200112009} is an apocalyptic number.

It is an amenable number.

11101200112009 is a deficient number, since it is larger than the sum of its proper divisors (1585885730295).

11101200112009 is an equidigital number, since it uses as much as digits as its factorization.

11101200112009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585885730294.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11101200112009 in words is "eleven trillion, one hundred one billion, two hundred million, one hundred twelve thousand, nine".