201001201201201 has 2 divisors, whose sum is σ = 201001201201202. Its totient is φ = 201001201201200.

The previous prime is 201001201201189. The next prime is 201001201201243. The reversal of 201001201201201 is 102102102100102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145164424496400 + 55836776704801 = 12048420^2 + 7472401^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001201201201 - 2¹⁵ = 201001201168433 is a prime.

It is not a weakly prime, because it can be changed into another prime (201001201201261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500600600600 + 100500600600601.

It is an arithmetic number, because the mean of its divisors is an integer number (100500600600601).

Almost surely, 2^{201001201201201} is an apocalyptic number.

It is an amenable number.

201001201201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001201201201 is an equidigital number, since it uses as much as digits as its factorization.

201001201201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201001201201201 its reverse (102102102100102), we get a palindrome (303103303301303).

The spelling of 201001201201201 in words is "two hundred one trillion, one billion, two hundred one million, two hundred one thousand, two hundred one".