11001102001209 has 10 divisors (see below), whose sum is σ = 16433744964890. Its totient is φ = 7334068000752.

The previous prime is 11001102001151. The next prime is 11001102001223. The reversal of 11001102001209 is 90210020110011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6435734765625 + 4565367235584 = 2536875^2 + 2136672^2 .

It is not a de Polignac number, because 11001102001209 - 2³³ = 10992512066617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001102001191 and 11001102001200.

It is not an unprimeable number, because it can be changed into a prime (11001102001009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67908036964 + ... + 67908037125.

It is an arithmetic number, because the mean of its divisors is an integer number (1643374496489).

Almost surely, 2^{11001102001209} is an apocalyptic number.

It is an amenable number.

11001102001209 is a deficient number, since it is larger than the sum of its proper divisors (5432642963681).

11001102001209 is an equidigital number, since it uses as much as digits as its factorization.

11001102001209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135816074101 (or 135816074092 counting only the distinct ones).

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

The spelling of 11001102001209 in words is "eleven trillion, one billion, one hundred two million, one thousand, two hundred nine".