11101122100209 has 4 divisors (see below), whose sum is σ = 14801496133616. Its totient is φ = 7400748066804.

The previous prime is 11101122100163. The next prime is 11101122100213. The reversal of 11101122100209 is 90200122110111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11101122100209 - 2⁸ = 11101122099953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101122100259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850187016699 + ... + 1850187016704.

It is an arithmetic number, because the mean of its divisors is an integer number (3700374033404).

Almost surely, 2^{11101122100209} is an apocalyptic number.

It is an amenable number.

11101122100209 is a deficient number, since it is larger than the sum of its proper divisors (3700374033407).

11101122100209 is an equidigital number, since it uses as much as digits as its factorization.

11101122100209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700374033406.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 11101122100209 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, one hundred thousand, two hundred nine".