201040201 has 4 divisors (see below), whose sum is σ = 204336004. Its totient is φ = 197744400.

The previous prime is 201040153. The next prime is 201040237. The reversal of 201040201 is 102040102.

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 5180176 + 195860025 = 2276^2 + 13995^2 .

It is a cyclic number.

It is not a de Polignac number, because 201040201 - 2⁹ = 201039689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201040271) 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, 1647810 + ... + 1647931.

It is an arithmetic number, because the mean of its divisors is an integer number (51084001).

Almost surely, 2^201040201 is an apocalyptic number.

It is an amenable number.

201040201 is a deficient number, since it is larger than the sum of its proper divisors (3295803).

201040201 is an equidigital number, since it uses as much as digits as its factorization.

201040201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295802.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201040201 is about 14178.8645878293. The cubic root of 201040201 is about 585.8156504066.

Adding to 201040201 its reverse (102040102), we get a palindrome (303080303).

Subtracting from 201040201 its reverse (102040102), we obtain a palindrome (99000099).

The spelling of 201040201 in words is "two hundred one million, forty thousand, two hundred one".