12001102111191 has 8 divisors (see below), whose sum is σ = 16001503190784. Its totient is φ = 8000717886200.

The previous prime is 12001102111157. The next prime is 12001102111247. The reversal of 12001102111191 is 19111120110021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001102111191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001102111121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446335 + ... + 5476016.

It is an arithmetic number, because the mean of its divisors is an integer number (2000187898848).

Almost surely, 2^{12001102111191} is an apocalyptic number.

12001102111191 is a deficient number, since it is larger than the sum of its proper divisors (4000401079593).

12001102111191 is an equidigital number, since it uses as much as digits as its factorization.

12001102111191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427301.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 12001102111191 in words is "twelve trillion, one billion, one hundred two million, one hundred eleven thousand, one hundred ninety-one".