201020202131201 has 8 divisors (see below), whose sum is σ = 202155609258120. Its totient is φ = 199885762547712.

The previous prime is 201020202131137. The next prime is 201020202131219. The reversal of 201020202131201 is 102131202020102.

It can be written as a sum of positive squares in 4 ways, for example, as 27431039626225 + 173589162504976 = 5237465^2 + 13175324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201020202131201 - 2⁶ = 201020202131137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201020202131201.

It is not an unprimeable number, because it can be changed into a prime (201020202131261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241469156 + ... + 242300213.

It is an arithmetic number, because the mean of its divisors is an integer number (25269451157265).

Almost surely, 2^{201020202131201} is an apocalyptic number.

It is an amenable number.

201020202131201 is a deficient number, since it is larger than the sum of its proper divisors (1135407126919).

201020202131201 is a wasteful number, since it uses less digits than its factorization.

201020202131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483771715.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201020202131201 its reverse (102131202020102), we get a palindrome (303151404151303).

The spelling of 201020202131201 in words is "two hundred one trillion, twenty billion, two hundred two million, one hundred thirty-one thousand, two hundred one".