202100201 has 4 divisors (see below), whose sum is σ = 202428372. Its totient is φ = 201772032.

The previous prime is 202100153. The next prime is 202100203. The reversal of 202100201 is 102001202.

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 2725801 + 199374400 = 1651^2 + 14120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202100201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202100203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163160 + ... + 164393.

It is an arithmetic number, because the mean of its divisors is an integer number (50607093).

Almost surely, 2^202100201 is an apocalyptic number.

It is an amenable number.

202100201 is a deficient number, since it is larger than the sum of its proper divisors (328171).

202100201 is an equidigital number, since it uses as much as digits as its factorization.

202100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328170.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 202100201 is about 14216.1950253927. The cubic root of 202100201 is about 586.8434322643.

Adding to 202100201 its reverse (102001202), we get a palindrome (304101403).

The spelling of 202100201 in words is "two hundred two million, one hundred thousand, two hundred one".