11001122209 has 8 divisors (see below), whose sum is σ = 13715684928. Its totient is φ = 8572302960.

The previous prime is 11001122191. The next prime is 11001122221. The reversal of 11001122209 is 90222110011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001122209 - 2⁵ = 11001122177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001122239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71435782 + ... + 71435935.

It is an arithmetic number, because the mean of its divisors is an integer number (1714460616).

Almost surely, 2^11001122209 is an apocalyptic number.

It is an amenable number.

11001122209 is a deficient number, since it is larger than the sum of its proper divisors (2714562719).

11001122209 is a wasteful number, since it uses less digits than its factorization.

11001122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142871735.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11001122209 in words is "eleven billion, one million, one hundred twenty-two thousand, two hundred nine".