201000020012201 has 16 divisors (see below), whose sum is σ = 213583369285008. Its totient is φ = 188501110425600.

The previous prime is 201000020012191. The next prime is 201000020012369. The reversal of 201000020012201 is 102210020000102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5337134930176 + 195662885082025 = 2310224^2 + 13987955^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000020012201 - 2¹⁰ = 201000020011177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201000020012801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549807611 + ... + 550173071.

It is an arithmetic number, because the mean of its divisors is an integer number (13348960580313).

Almost surely, 2^{201000020012201} is an apocalyptic number.

It is an amenable number.

201000020012201 is a deficient number, since it is larger than the sum of its proper divisors (12583349272807).

201000020012201 is a wasteful number, since it uses less digits than its factorization.

201000020012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480892.

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

Adding to 201000020012201 its reverse (102210020000102), we get a palindrome (303210040012303).

The spelling of 201000020012201 in words is "two hundred one trillion, twenty million, twelve thousand, two hundred one".