12111909200291 has 8 divisors (see below), whose sum is σ = 12295655670960. Its totient is φ = 11929221787648.

The previous prime is 12111909200249. The next prime is 12111909200327. The reversal of 12111909200291 is 19200290911121.

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 12111909200291 - 2¹⁰ = 12111909199267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111909200201) 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, 264741461 + ... + 264787206.

It is an arithmetic number, because the mean of its divisors is an integer number (1536956958870).

Almost surely, 2^{12111909200291} is an apocalyptic number.

12111909200291 is a deficient number, since it is larger than the sum of its proper divisors (183746470669).

12111909200291 is an equidigital number, since it uses as much as digits as its factorization.

12111909200291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529529013.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 12111909200291 in words is "twelve trillion, one hundred eleven billion, nine hundred nine million, two hundred thousand, two hundred ninety-one".