200200220161 has 2 divisors, whose sum is σ = 200200220162. Its totient is φ = 200200220160.

The previous prime is 200200220149. The next prime is 200200220261. The reversal of 200200220161 is 161022002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100461105936 + 99739114225 = 316956^2 + 315815^2 .

It is a cyclic number.

It is not a de Polignac number, because 200200220161 - 2³¹ = 198052736513 is a prime.

It is not a weakly prime, because it can be changed into another prime (200200220141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100110080 + 100100110081.

It is an arithmetic number, because the mean of its divisors is an integer number (100100110081).

Almost surely, 2^200200220161 is an apocalyptic number.

It is an amenable number.

200200220161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200220161 is an equidigital number, since it uses as much as digits as its factorization.

200200220161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200200220161 its reverse (161022002002), we get a palindrome (361222222163).

The spelling of 200200220161 in words is "two hundred billion, two hundred million, two hundred twenty thousand, one hundred sixty-one".