11113103120209 has 4 divisors (see below), whose sum is σ = 11496313572660. Its totient is φ = 10729892667760.

The previous prime is 11113103120099. The next prime is 11113103120219. The reversal of 11113103120209 is 90202130131111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5252966044225 + 5860137075984 = 2291935^2 + 2420772^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113103120209 - 2¹⁹ = 11113102595921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113103120219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191605226182 + ... + 191605226239.

It is an arithmetic number, because the mean of its divisors is an integer number (2874078393165).

Almost surely, 2^{11113103120209} is an apocalyptic number.

It is an amenable number.

11113103120209 is a deficient number, since it is larger than the sum of its proper divisors (383210452451).

11113103120209 is an equidigital number, since it uses as much as digits as its factorization.

11113103120209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383210452450.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 11113103120209 in words is "eleven trillion, one hundred thirteen billion, one hundred three million, one hundred twenty thousand, two hundred nine".