1002110211173 has 2 divisors, whose sum is σ = 1002110211174. Its totient is φ = 1002110211172.

The previous prime is 1002110211103. The next prime is 1002110211181. The reversal of 1002110211173 is 3711120112001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001916917764 + 193293409 = 1000958^2 + 13903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002110211173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002110211103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501055105586 + 501055105587.

It is an arithmetic number, because the mean of its divisors is an integer number (501055105587).

Almost surely, 2^{1002110211173} is an apocalyptic number.

It is an amenable number.

1002110211173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002110211173 is an equidigital number, since it uses as much as digits as its factorization.

1002110211173 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 20.

Adding to 1002110211173 its reverse (3711120112001), we get a palindrome (4713230323174).

The spelling of 1002110211173 in words is "one trillion, two billion, one hundred ten million, two hundred eleven thousand, one hundred seventy-three".