111012002000173 has 2 divisors, whose sum is σ = 111012002000174. Its totient is φ = 111012002000172.

The previous prime is 111012002000113. The next prime is 111012002000177. The reversal of 111012002000173 is 371000200210111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107971592519844 + 3040409480329 = 10390938^2 + 1743677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012002000173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111012002000173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012002000177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506001000086 + 55506001000087.

It is an arithmetic number, because the mean of its divisors is an integer number (55506001000087).

Almost surely, 2^{111012002000173} is an apocalyptic number.

It is an amenable number.

111012002000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012002000173 is an equidigital number, since it uses as much as digits as its factorization.

111012002000173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 111012002000173 its reverse (371000200210111), we get a palindrome (482012202210284).

The spelling of 111012002000173 in words is "one hundred eleven trillion, twelve billion, two million, one hundred seventy-three", and thus it is an aban number.