10202201202173 has 2 divisors, whose sum is σ = 10202201202174. Its totient is φ = 10202201202172.

The previous prime is 10202201202169. The next prime is 10202201202239. The reversal of 10202201202173 is 37120210220201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6523028376484 + 3679172825689 = 2554022^2 + 1918117^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202201202173 - 2² = 10202201202169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202201202113) 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, 5101100601086 + 5101100601087.

It is an arithmetic number, because the mean of its divisors is an integer number (5101100601087).

Almost surely, 2^{10202201202173} is an apocalyptic number.

It is an amenable number.

10202201202173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202201202173 is an equidigital number, since it uses as much as digits as its factorization.

10202201202173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 10202201202173 its reverse (37120210220201), we get a palindrome (47322411422374).

The spelling of 10202201202173 in words is "ten trillion, two hundred two billion, two hundred one million, two hundred two thousand, one hundred seventy-three".