11221102009 has 8 divisors (see below), whose sum is σ = 12085174080. Its totient is φ = 10357160016.

The previous prime is 11221102001. The next prime is 11221102019. The reversal of 11221102009 is 90020112211.

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 11221102009 - 2³ = 11221102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221102001) 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 7 ways as a sum of consecutive naturals, for example, 218412 + ... + 264850.

It is an arithmetic number, because the mean of its divisors is an integer number (1510646760).

Almost surely, 2^11221102009 is an apocalyptic number.

It is an amenable number.

11221102009 is a deficient number, since it is larger than the sum of its proper divisors (864072071).

11221102009 is a wasteful number, since it uses less digits than its factorization.

11221102009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65039.

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

The spelling of 11221102009 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, nine".