1011002222173 has 2 divisors, whose sum is σ = 1011002222174. Its totient is φ = 1011002222172.

The previous prime is 1011002222161. The next prime is 1011002222203. The reversal of 1011002222173 is 3712222001101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678807914404 + 332194307769 = 823898^2 + 576363^2 .

It is an emirp because it is prime and its reverse (3712222001101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011002222173 - 2⁹ = 1011002221661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011002222143) 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, 505501111086 + 505501111087.

It is an arithmetic number, because the mean of its divisors is an integer number (505501111087).

Almost surely, 2^{1011002222173} is an apocalyptic number.

It is an amenable number.

1011002222173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011002222173 is an equidigital number, since it uses as much as digits as its factorization.

1011002222173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 1011002222173 its reverse (3712222001101), we get a palindrome (4723224223274).

The spelling of 1011002222173 in words is "one trillion, eleven billion, two million, two hundred twenty-two thousand, one hundred seventy-three".