201040401241 has 4 divisors (see below), whose sum is σ = 207972828900. Its totient is φ = 194107973584.

The previous prime is 201040401239. The next prime is 201040401361. The reversal of 201040401241 is 142104040102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142104040102 = 2 ⋅71052020051.

It can be written as a sum of positive squares in 2 ways, for example, as 76839840000 + 124200561241 = 277200^2 + 352421^2 .

It is a cyclic number.

It is not a de Polignac number, because 201040401241 - 2¹ = 201040401239 is a prime.

It is a super-2 number, since 2×201040401241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201040441241) 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, 3466213786 + ... + 3466213843.

It is an arithmetic number, because the mean of its divisors is an integer number (51993207225).

Almost surely, 2^201040401241 is an apocalyptic number.

It is an amenable number.

201040401241 is a deficient number, since it is larger than the sum of its proper divisors (6932427659).

201040401241 is an equidigital number, since it uses as much as digits as its factorization.

201040401241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932427658.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201040401241 its reverse (142104040102), we get a palindrome (343144441343).

The spelling of 201040401241 in words is "two hundred one billion, forty million, four hundred one thousand, two hundred forty-one".