1202110010173 has 2 divisors, whose sum is σ = 1202110010174. Its totient is φ = 1202110010172.

The previous prime is 1202110010161. The next prime is 1202110010261. The reversal of 1202110010173 is 3710100112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805969426564 + 396140583609 = 897758^2 + 629397^2 .

It is an emirp because it is prime and its reverse (3710100112021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202110010173 - 2²¹ = 1202107913021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202110010173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202110013173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601055005086 + 601055005087.

It is an arithmetic number, because the mean of its divisors is an integer number (601055005087).

Almost surely, 2^{1202110010173} is an apocalyptic number.

It is an amenable number.

1202110010173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202110010173 is an equidigital number, since it uses as much as digits as its factorization.

1202110010173 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 1202110010173 its reverse (3710100112021), we get a palindrome (4912210122194).

The spelling of 1202110010173 in words is "one trillion, two hundred two billion, one hundred ten million, ten thousand, one hundred seventy-three".