11202112111209 has 4 divisors (see below), whose sum is σ = 14936149481616. Its totient is φ = 7468074740804.

The previous prime is 11202112111121. The next prime is 11202112111241. The reversal of 11202112111209 is 90211121120211.

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 a cyclic number.

It is not a de Polignac number, because 11202112111209 - 2⁷ = 11202112111081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202112118209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867018685199 + ... + 1867018685204.

It is an arithmetic number, because the mean of its divisors is an integer number (3734037370404).

Almost surely, 2^{11202112111209} is an apocalyptic number.

It is an amenable number.

11202112111209 is a deficient number, since it is larger than the sum of its proper divisors (3734037370407).

11202112111209 is an equidigital number, since it uses as much as digits as its factorization.

11202112111209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734037370406.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 11202112111209 in words is "eleven trillion, two hundred two billion, one hundred twelve million, one hundred eleven thousand, two hundred nine".