111210121112267 has 2 divisors, whose sum is σ = 111210121112268. Its totient is φ = 111210121112266.

The previous prime is 111210121112191. The next prime is 111210121112269. The reversal of 111210121112267 is 762211121012111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (762211121012111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111210121112267 - 2²⁴ = 111210104335051 is a prime.

Together with 111210121112269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111210121112269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605060556133 + 55605060556134.

It is an arithmetic number, because the mean of its divisors is an integer number (55605060556134).

Almost surely, 2^{111210121112267} is an apocalyptic number.

111210121112267 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210121112267 is an equidigital number, since it uses as much as digits as its factorization.

111210121112267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 29.

Adding to 111210121112267 its reverse (762211121012111), we get a palindrome (873421242124378).

The spelling of 111210121112267 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, two hundred sixty-seven".