12111100211267 has 2 divisors, whose sum is σ = 12111100211268. Its totient is φ = 12111100211266.

The previous prime is 12111100211213. The next prime is 12111100211297. The reversal of 12111100211267 is 76211200111121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12111100211267 - 2¹⁰ = 12111100210243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111100211297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055550105633 + 6055550105634.

It is an arithmetic number, because the mean of its divisors is an integer number (6055550105634).

Almost surely, 2^{12111100211267} is an apocalyptic number.

12111100211267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111100211267 is an equidigital number, since it uses as much as digits as its factorization.

12111100211267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 12111100211267 its reverse (76211200111121), we get a palindrome (88322300322388).

The spelling of 12111100211267 in words is "twelve trillion, one hundred eleven billion, one hundred million, two hundred eleven thousand, two hundred sixty-seven".