200102210173 has 2 divisors, whose sum is σ = 200102210174. Its totient is φ = 200102210172.

The previous prime is 200102210089. The next prime is 200102210179. The reversal of 200102210173 is 371012201002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166939250724 + 33162959449 = 408582^2 + 182107^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102210173 - 2⁹ = 200102209661 is a prime.

It is a super-2 number, since 2×200102210173² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200102210173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200102210179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051105086 + 100051105087.

It is an arithmetic number, because the mean of its divisors is an integer number (100051105087).

Almost surely, 2^200102210173 is an apocalyptic number.

It is an amenable number.

200102210173 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102210173 is an equidigital number, since it uses as much as digits as its factorization.

200102210173 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 19.

Adding to 200102210173 its reverse (371012201002), we get a palindrome (571114411175).

The spelling of 200102210173 in words is "two hundred billion, one hundred two million, two hundred ten thousand, one hundred seventy-three".