10011111002173 has 2 divisors, whose sum is σ = 10011111002174. Its totient is φ = 10011111002172.

The previous prime is 10011111002171. The next prime is 10011111002219. The reversal of 10011111002173 is 37120011111001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7336584383769 + 2674526618404 = 2708613^2 + 1635398^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011111002173 - 2¹ = 10011111002171 is a prime.

Together with 10011111002171, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10011111002173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011111002171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005555501086 + 5005555501087.

It is an arithmetic number, because the mean of its divisors is an integer number (5005555501087).

Almost surely, 2^{10011111002173} is an apocalyptic number.

It is an amenable number.

10011111002173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011111002173 is an equidigital number, since it uses as much as digits as its factorization.

10011111002173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 19.

Adding to 10011111002173 its reverse (37120011111001), we get a palindrome (47131122113174).

The spelling of 10011111002173 in words is "ten trillion, eleven billion, one hundred eleven million, two thousand, one hundred seventy-three".