200101010220173 has 2 divisors, whose sum is σ = 200101010220174. Its totient is φ = 200101010220172.

The previous prime is 200101010220157. The next prime is 200101010220247. The reversal of 200101010220173 is 371022010101002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124653250291684 + 75447759928489 = 11164822^2 + 8686067^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101010220173 - 2⁴ = 200101010220157 is a prime.

It is a super-2 number, since 2×200101010220173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200101010220073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050505110086 + 100050505110087.

It is an arithmetic number, because the mean of its divisors is an integer number (100050505110087).

Almost surely, 2^{200101010220173} is an apocalyptic number.

It is an amenable number.

200101010220173 is a deficient number, since it is larger than the sum of its proper divisors (1).

200101010220173 is an equidigital number, since it uses as much as digits as its factorization.

200101010220173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 200101010220173 its reverse (371022010101002), we get a palindrome (571123020321175).

The spelling of 200101010220173 in words is "two hundred trillion, one hundred one billion, ten million, two hundred twenty thousand, one hundred seventy-three".