11112211110109 has 8 divisors (see below), whose sum is σ = 11595469662720. Its totient is φ = 10628962469136.

The previous prime is 11112211110107. The next prime is 11112211110131. The reversal of 11112211110109 is 90101111221111.

11112211110109 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 11112211110109 - 2¹ = 11112211110107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11112211110109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112211110101) 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, 139954 + ... + 4716355.

It is an arithmetic number, because the mean of its divisors is an integer number (1449433707840).

Almost surely, 2^{11112211110109} is an apocalyptic number.

It is an amenable number.

11112211110109 is a deficient number, since it is larger than the sum of its proper divisors (483258552611).

11112211110109 is an equidigital number, since it uses as much as digits as its factorization.

11112211110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955819.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 11112211110109 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, one hundred ten thousand, one hundred nine".