11112100111169 has 2 divisors, whose sum is σ = 11112100111170. Its totient is φ = 11112100111168.

The previous prime is 11112100111157. The next prime is 11112100111171. The reversal of 11112100111169 is 96111100121111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10193569551169 + 918530560000 = 3192737^2 + 958400^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112100111169 - 2¹⁶ = 11112100045633 is a prime.

It is a super-2 number, since 2×11112100111169² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 11112100111171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11112100111769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556050055584 + 5556050055585.

It is an arithmetic number, because the mean of its divisors is an integer number (5556050055585).

Almost surely, 2^{11112100111169} is an apocalyptic number.

It is an amenable number.

11112100111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112100111169 is an equidigital number, since it uses as much as digits as its factorization.

11112100111169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 26.

The spelling of 11112100111169 in words is "eleven trillion, one hundred twelve billion, one hundred million, one hundred eleven thousand, one hundred sixty-nine".