200010101 has 4 divisors (see below), whose sum is σ = 200040204. Its totient is φ = 199980000.

The previous prime is 200010089. The next prime is 200010119. The reversal of 200010101 is 101010002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80982001 + 119028100 = 8999^2 + 10910^2 .

It is a cyclic number.

It is not a de Polignac number, because 200010101 - 2⁶ = 200010037 is a prime.

It is a Duffinian number.

200010101 is a modest number, since divided by 10101 gives 200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (50010051).

Almost surely, 2^200010101 is an apocalyptic number.

It is an amenable number.

200010101 is a deficient number, since it is larger than the sum of its proper divisors (30103).

200010101 is an equidigital number, since it uses as much as digits as its factorization.

200010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30102.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 200010101 is about 14142.4927435018. The cubic root of 200010101 is about 584.8133926446.

Adding to 200010101 its reverse (101010002), we get a palindrome (301020103).

Subtracting from 200010101 its reverse (101010002), we obtain a palindrome (99000099).

The spelling of 200010101 in words is "two hundred million, ten thousand, one hundred one".