11221390709 has 8 divisors (see below), whose sum is σ = 12034859040. Its totient is φ = 10430209296.

The previous prime is 11221390699. The next prime is 11221390711. The reversal of 11221390709 is 90709312211.

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

It is not a de Polignac number, because 11221390709 - 2⁴ = 11221390693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221390729) 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, 5570687 + ... + 5572700.

It is an arithmetic number, because the mean of its divisors is an integer number (1504357380).

Almost surely, 2^11221390709 is an apocalyptic number.

11221390709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11221390709 is a deficient number, since it is larger than the sum of its proper divisors (813468331).

11221390709 is a wasteful number, since it uses less digits than its factorization.

11221390709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143459.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 11221390709 in words is "eleven billion, two hundred twenty-one million, three hundred ninety thousand, seven hundred nine".