201001040201 has 4 divisors (see below), whose sum is σ = 216462658692. Its totient is φ = 185539421712.

The previous prime is 201001040167. The next prime is 201001040263. The reversal of 201001040201 is 102040100102.

201001040201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 66139494976 + 134861545225 = 257176^2 + 367235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001040201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001042201) 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, 7730809226 + ... + 7730809251.

It is an arithmetic number, because the mean of its divisors is an integer number (54115664673).

Almost surely, 2^201001040201 is an apocalyptic number.

It is an amenable number.

201001040201 is a deficient number, since it is larger than the sum of its proper divisors (15461618491).

201001040201 is a wasteful number, since it uses less digits than its factorization.

201001040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461618490.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201001040201 its reverse (102040100102), we get a palindrome (303041140303).

The spelling of 201001040201 in words is "two hundred one billion, one million, forty thousand, two hundred one".