11221000109 has 16 divisors (see below), whose sum is σ = 12337244160. Its totient is φ = 10120950000.

The previous prime is 11221000079. The next prime is 11221000139. The reversal of 11221000109 is 90100012211.

It is an interprime number because it is at equal distance from previous prime (11221000079) and next prime (11221000139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221000109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221000139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522784 + ... + 1530134.

It is an arithmetic number, because the mean of its divisors is an integer number (771077760).

Almost surely, 2^11221000109 is an apocalyptic number.

It is an amenable number.

11221000109 is a deficient number, since it is larger than the sum of its proper divisors (1116244051).

11221000109 is a wasteful number, since it uses less digits than its factorization.

11221000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11221000109 in words is "eleven billion, two hundred twenty-one million, one hundred nine", and thus it is an aban number.