12011022101191 has 4 divisors (see below), whose sum is σ = 12017654362584. Its totient is φ = 12004389839800.

The previous prime is 12011022101179. The next prime is 12011022101227. The reversal of 12011022101191 is 19110122011021.

It is a happy number.

12011022101191 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 12011022101191 - 2²⁵ = 12010988546759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011022101131) 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, 3316127980 + ... + 3316131601.

It is an arithmetic number, because the mean of its divisors is an integer number (3004413590646).

Almost surely, 2^{12011022101191} is an apocalyptic number.

12011022101191 is a deficient number, since it is larger than the sum of its proper divisors (6632261393).

12011022101191 is an equidigital number, since it uses as much as digits as its factorization.

12011022101191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632261392.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 12011022101191 in words is "twelve trillion, eleven billion, twenty-two million, one hundred one thousand, one hundred ninety-one".