11101091203 has 4 divisors (see below), whose sum is σ = 11310545808. Its totient is φ = 10891636600.

The previous prime is 11101091201. The next prime is 11101091207. The reversal of 11101091203 is 30219010111.

11101091203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11101091203 - 2¹ = 11101091201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101091201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104727223 + ... + 104727328.

It is an arithmetic number, because the mean of its divisors is an integer number (2827636452).

Almost surely, 2^11101091203 is an apocalyptic number.

11101091203 is a deficient number, since it is larger than the sum of its proper divisors (209454605).

11101091203 is an equidigital number, since it uses as much as digits as its factorization.

11101091203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209454604.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 11101091203 in words is "eleven billion, one hundred one million, ninety-one thousand, two hundred three".