12102101100191 has 8 divisors (see below), whose sum is σ = 12120352320000. Its totient is φ = 12083852012760.

The previous prime is 12102101100181. The next prime is 12102101100217. The reversal of 12102101100191 is 19100110120121.

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

It is a cyclic number.

It is not a de Polignac number, because 12102101100191 - 2⁶ = 12102101100127 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 (12102101100181) 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, 11014610 + ... + 12063408.

It is an arithmetic number, because the mean of its divisors is an integer number (1515044040000).

Almost surely, 2^{12102101100191} is an apocalyptic number.

12102101100191 is a deficient number, since it is larger than the sum of its proper divisors (18251219809).

12102101100191 is a wasteful number, since it uses less digits than its factorization.

12102101100191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066189.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 12102101100191 in words is "twelve trillion, one hundred two billion, one hundred one million, one hundred thousand, one hundred ninety-one".