111083821332817 has 2 divisors, whose sum is σ = 111083821332818. Its totient is φ = 111083821332816.

The previous prime is 111083821332791. The next prime is 111083821332839. The reversal of 111083821332817 is 718233128380111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101379605737536 + 9704215595281 = 10068744^2 + 3115159^2 .

It is an emirp because it is prime and its reverse (718233128380111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111083821332817 - 2⁷ = 111083821332689 is a prime.

It is not a weakly prime, because it can be changed into another prime (111083821332017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55541910666408 + 55541910666409.

It is an arithmetic number, because the mean of its divisors is an integer number (55541910666409).

Almost surely, 2^{111083821332817} is an apocalyptic number.

It is an amenable number.

111083821332817 is a deficient number, since it is larger than the sum of its proper divisors (1).

111083821332817 is an equidigital number, since it uses as much as digits as its factorization.

111083821332817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 111083821332817 in words is "one hundred eleven trillion, eighty-three billion, eight hundred twenty-one million, three hundred thirty-two thousand, eight hundred seventeen".