102012110173 has 2 divisors, whose sum is σ = 102012110174. Its totient is φ = 102012110172.

The previous prime is 102012110143. The next prime is 102012110279. The reversal of 102012110173 is 371011210201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90025801849 + 11986308324 = 300043^2 + 109482^2 .

It is an emirp because it is prime and its reverse (371011210201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102012110173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102012110173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012110143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006055086 + 51006055087.

It is an arithmetic number, because the mean of its divisors is an integer number (51006055087).

Almost surely, 2^102012110173 is an apocalyptic number.

It is an amenable number.

102012110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012110173 is an equidigital number, since it uses as much as digits as its factorization.

102012110173 is an evil number, because the sum of its binary digits is even.

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

Adding to 102012110173 its reverse (371011210201), we get a palindrome (473023320374).

The spelling of 102012110173 in words is "one hundred two billion, twelve million, one hundred ten thousand, one hundred seventy-three".