111121211222267 has 2 divisors, whose sum is σ = 111121211222268. Its totient is φ = 111121211222266.

The previous prime is 111121211222179. The next prime is 111121211222299. The reversal of 111121211222267 is 762222112121111.

It is an a-pointer prime, because the next prime (111121211222299) can be obtained adding 111121211222267 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111121211222267 - 2⁸ = 111121211222011 is a prime.

It is not a weakly prime, because it can be changed into another prime (111121211222767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560605611133 + 55560605611134.

It is an arithmetic number, because the mean of its divisors is an integer number (55560605611134).

Almost surely, 2^{111121211222267} is an apocalyptic number.

111121211222267 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121211222267 is an equidigital number, since it uses as much as digits as its factorization.

111121211222267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 32.

Adding to 111121211222267 its reverse (762222112121111), we get a palindrome (873343323343378).

The spelling of 111121211222267 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred sixty-seven".