201201110222201 has 12 divisors (see below), whose sum is σ = 215459310550260. Its totient is φ = 187759254481920.

The previous prime is 201201110222173. The next prime is 201201110222207. The reversal of 201201110222201 is 102222011102102.

It can be written as a sum of positive squares in 2 ways, for example, as 95106887180176 + 106094223042025 = 9752276^2 + 10300205^2 .

It is not a de Polignac number, because 201201110222201 - 2⁶ = 201201110222137 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 201201110222201.

It is not an unprimeable number, because it can be changed into a prime (201201110222207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4638299816 + ... + 4638343193.

It is an arithmetic number, because the mean of its divisors is an integer number (17954942545855).

Almost surely, 2^{201201110222201} is an apocalyptic number.

It is an amenable number.

201201110222201 is a deficient number, since it is larger than the sum of its proper divisors (14258200328059).

201201110222201 is an equidigital number, since it uses as much as digits as its factorization.

201201110222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276643096 (or 9276643073 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201201110222201 its reverse (102222011102102), we get a palindrome (303423121324303).

The spelling of 201201110222201 in words is "two hundred one trillion, two hundred one billion, one hundred ten million, two hundred twenty-two thousand, two hundred one".