12111131032291 has 2 divisors, whose sum is σ = 12111131032292. Its totient is φ = 12111131032290.

The previous prime is 12111131032289. The next prime is 12111131032361. The reversal of 12111131032291 is 19223013111121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12111131032291 - 2¹ = 12111131032289 is a prime.

Together with 12111131032289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12111131032591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055565516145 + 6055565516146.

It is an arithmetic number, because the mean of its divisors is an integer number (6055565516146).

Almost surely, 2^{12111131032291} is an apocalyptic number.

12111131032291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111131032291 is an equidigital number, since it uses as much as digits as its factorization.

12111131032291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 12111131032291 in words is "twelve trillion, one hundred eleven billion, one hundred thirty-one million, thirty-two thousand, two hundred ninety-one".