11220110111209 has 8 divisors (see below), whose sum is σ = 11459314839168. Its totient is φ = 10980925340880.

The previous prime is 11220110111207. The next prime is 11220110111279. The reversal of 11220110111209 is 90211101102211.

It is a happy number.

11220110111209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11220110111209 - 2¹ = 11220110111207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11220110111209.

It is not an unprimeable number, because it can be changed into a prime (11220110111207) 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, 3850287 + ... + 6104500.

It is an arithmetic number, because the mean of its divisors is an integer number (1432414354896).

Almost surely, 2^{11220110111209} is an apocalyptic number.

It is an amenable number.

11220110111209 is a deficient number, since it is larger than the sum of its proper divisors (239204727959).

11220110111209 is an equidigital number, since it uses as much as digits as its factorization.

11220110111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978815.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11220110111209 in words is "eleven trillion, two hundred twenty billion, one hundred ten million, one hundred eleven thousand, two hundred nine".