12011330112211 has 4 divisors (see below), whose sum is σ = 12011337703800. Its totient is φ = 12011322520624.

The previous prime is 12011330112179. The next prime is 12011330112241. The reversal of 12011330112211 is 11221103311021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12011330112211 - 2⁵ = 12011330112179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011330112241) 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, 424306 + ... + 4919623.

It is an arithmetic number, because the mean of its divisors is an integer number (3002834425950).

Almost surely, 2^{12011330112211} is an apocalyptic number.

12011330112211 is a deficient number, since it is larger than the sum of its proper divisors (7591589).

12011330112211 is an equidigital number, since it uses as much as digits as its factorization.

12011330112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591588.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12011330112211 its reverse (11221103311021), we get a palindrome (23232433423232).

The spelling of 12011330112211 in words is "twelve trillion, eleven billion, three hundred thirty million, one hundred twelve thousand, two hundred eleven".