201201210023017 has 2 divisors, whose sum is σ = 201201210023018. Its totient is φ = 201201210023016.

The previous prime is 201201210022999. The next prime is 201201210023063. The reversal of 201201210023017 is 710320012102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145746439357401 + 55454770665616 = 12072549^2 + 7446796^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201210023017 - 2³¹ = 201199062539369 is a prime.

It is not a weakly prime, because it can be changed into another prime (201201210023917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600605011508 + 100600605011509.

It is an arithmetic number, because the mean of its divisors is an integer number (100600605011509).

Almost surely, 2^{201201210023017} is an apocalyptic number.

It is an amenable number.

201201210023017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201210023017 is an equidigital number, since it uses as much as digits as its factorization.

201201210023017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 201201210023017 its reverse (710320012102102), we get a palindrome (911521222125119).

The spelling of 201201210023017 in words is "two hundred one trillion, two hundred one billion, two hundred ten million, twenty-three thousand, seventeen".