201241224165 has 16 divisors (see below), whose sum is σ = 324336224448. Its totient is φ = 106545230976.

The previous prime is 201241224161. The next prime is 201241224221. The reversal of 201241224165 is 561422142102.

It is not a de Polignac number, because 201241224165 - 2² = 201241224161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201241224161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48961747 + ... + 48965856.

It is an arithmetic number, because the mean of its divisors is an integer number (20271014028).

Almost surely, 2^201241224165 is an apocalyptic number.

It is an amenable number.

201241224165 is a deficient number, since it is larger than the sum of its proper divisors (123095000283).

201241224165 is a wasteful number, since it uses less digits than its factorization.

201241224165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97927748.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 201241224165 its reverse (561422142102), we get a palindrome (762663366267).

The spelling of 201241224165 in words is "two hundred one billion, two hundred forty-one million, two hundred twenty-four thousand, one hundred sixty-five".