201001040241 has 4 divisors (see below), whose sum is σ = 268001386992. Its totient is φ = 134000693492.

The previous prime is 201001040167. The next prime is 201001040263. The reversal of 201001040241 is 142040100102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201001040241 - 2²⁵ = 200967485809 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201001040241.

It is not an unprimeable number, because it can be changed into a prime (201001040741) 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, 33500173371 + ... + 33500173376.

It is an arithmetic number, because the mean of its divisors is an integer number (67000346748).

Almost surely, 2^201001040241 is an apocalyptic number.

It is an amenable number.

201001040241 is a deficient number, since it is larger than the sum of its proper divisors (67000346751).

201001040241 is an equidigital number, since it uses as much as digits as its factorization.

201001040241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000346750.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201001040241 its reverse (142040100102), we get a palindrome (343041140343).

The spelling of 201001040241 in words is "two hundred one billion, one million, forty thousand, two hundred forty-one".