200001210281 has 2 divisors, whose sum is σ = 200001210282. Its totient is φ = 200001210280.

The previous prime is 200001210257. The next prime is 200001210323. The reversal of 200001210281 is 182012100002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140093752681 + 59907457600 = 374291^2 + 244760^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001210281 - 2¹⁰ = 200001209257 is a prime.

It is a super-2 number, since 2×200001210281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200001210781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000605140 + 100000605141.

It is an arithmetic number, because the mean of its divisors is an integer number (100000605141).

Almost surely, 2^200001210281 is an apocalyptic number.

It is an amenable number.

200001210281 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001210281 is an equidigital number, since it uses as much as digits as its factorization.

200001210281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200001210281 its reverse (182012100002), we get a palindrome (382013310283).

The spelling of 200001210281 in words is "two hundred billion, one million, two hundred ten thousand, two hundred eighty-one".