201022111103201 has 2 divisors, whose sum is σ = 201022111103202. Its totient is φ = 201022111103200.

The previous prime is 201022111103173. The next prime is 201022111103221. The reversal of 201022111103201 is 102301111220102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186016210778176 + 15005900325025 = 13638776^2 + 3873745^2 .

It is a cyclic number.

It is not a de Polignac number, because 201022111103201 - 2⁶ = 201022111103137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201022111103201.

It is not a weakly prime, because it can be changed into another prime (201022111103221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511055551600 + 100511055551601.

It is an arithmetic number, because the mean of its divisors is an integer number (100511055551601).

Almost surely, 2^{201022111103201} is an apocalyptic number.

It is an amenable number.

201022111103201 is a deficient number, since it is larger than the sum of its proper divisors (1).

201022111103201 is an equidigital number, since it uses as much as digits as its factorization.

201022111103201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201022111103201 its reverse (102301111220102), we get a palindrome (303323222323303).

The spelling of 201022111103201 in words is "two hundred one trillion, twenty-two billion, one hundred eleven million, one hundred three thousand, two hundred one".