201124020401 has 2 divisors, whose sum is σ = 201124020402. Its totient is φ = 201124020400.

The previous prime is 201124020379. The next prime is 201124020403. The reversal of 201124020401 is 104020421102.

201124020401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174268677025 + 26855343376 = 417455^2 + 163876^2 .

It is a cyclic number.

It is not a de Polignac number, because 201124020401 - 2¹⁸ = 201123758257 is a prime.

Together with 201124020403, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201124020401.

It is not a weakly prime, because it can be changed into another prime (201124020403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100562010200 + 100562010201.

It is an arithmetic number, because the mean of its divisors is an integer number (100562010201).

Almost surely, 2^201124020401 is an apocalyptic number.

It is an amenable number.

201124020401 is a deficient number, since it is larger than the sum of its proper divisors (1).

201124020401 is an equidigital number, since it uses as much as digits as its factorization.

201124020401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201124020401 its reverse (104020421102), we get a palindrome (305144441503).

The spelling of 201124020401 in words is "two hundred one billion, one hundred twenty-four million, twenty thousand, four hundred one".