200502101 has 2 divisors, whose sum is σ = 200502102. Its totient is φ = 200502100.

The previous prime is 200502091. The next prime is 200502151. The reversal of 200502101 is 101205002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193071025 + 7431076 = 13895^2 + 2726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200502101 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200502151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100251050 + 100251051.

It is an arithmetic number, because the mean of its divisors is an integer number (100251051).

Almost surely, 2^200502101 is an apocalyptic number.

It is an amenable number.

200502101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200502101 is an equidigital number, since it uses as much as digits as its factorization.

200502101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 200502101 is about 14159.8764472011. The cubic root of 200502101 is about 585.2925227559.

Adding to 200502101 its reverse (101205002), we get a palindrome (301707103).

The spelling of 200502101 in words is "two hundred million, five hundred two thousand, one hundred one".