201201310001 has 2 divisors, whose sum is σ = 201201310002. Its totient is φ = 201201310000.

The previous prime is 201201309977. The next prime is 201201310067. The reversal of 201201310001 is 100013102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194149509376 + 7051800625 = 440624^2 + 83975^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201310001 - 2²⁶ = 201134201137 is a prime.

It is a super-2 number, since 2×201201310001² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201201340001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600655000 + 100600655001.

It is an arithmetic number, because the mean of its divisors is an integer number (100600655001).

Almost surely, 2^201201310001 is an apocalyptic number.

It is an amenable number.

201201310001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201310001 is an equidigital number, since it uses as much as digits as its factorization.

201201310001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201201310001 its reverse (100013102102), we get a palindrome (301214412103).

The spelling of 201201310001 in words is "two hundred one billion, two hundred one million, three hundred ten thousand, one".