111012201111169 has 2 divisors, whose sum is σ = 111012201111170. Its totient is φ = 111012201111168.

The previous prime is 111012201111167. The next prime is 111012201111173. The reversal of 111012201111169 is 961111102210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109643097523600 + 1369103587569 = 10471060^2 + 1170087^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012201111169 - 2¹ = 111012201111167 is a prime.

It is a super-2 number, since 2×111012201111169² (a number of 29 digits) contains 22 as substring.

Together with 111012201111167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111012201111167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506100555584 + 55506100555585.

It is an arithmetic number, because the mean of its divisors is an integer number (55506100555585).

Almost surely, 2^{111012201111169} is an apocalyptic number.

It is an amenable number.

111012201111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012201111169 is an equidigital number, since it uses as much as digits as its factorization.

111012201111169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 28.

The spelling of 111012201111169 in words is "one hundred eleven trillion, twelve billion, two hundred one million, one hundred eleven thousand, one hundred sixty-nine".