211040210420441 has 2 divisors, whose sum is σ = 211040210420442. Its totient is φ = 211040210420440.

The previous prime is 211040210420437. The next prime is 211040210420489. The reversal of 211040210420441 is 144024012040112.

211040210420441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152872452505600 + 58167757914841 = 12364160^2 + 7626779^2 .

It is a cyclic number.

It is not a de Polignac number, because 211040210420441 - 2² = 211040210420437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211040210420441.

It is not a weakly prime, because it can be changed into another prime (211040210420401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105520105210220 + 105520105210221.

It is an arithmetic number, because the mean of its divisors is an integer number (105520105210221).

Almost surely, 2^{211040210420441} is an apocalyptic number.

It is an amenable number.

211040210420441 is a deficient number, since it is larger than the sum of its proper divisors (1).

211040210420441 is an equidigital number, since it uses as much as digits as its factorization.

211040210420441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 211040210420441 its reverse (144024012040112), we get a palindrome (355064222460553).

The spelling of 211040210420441 in words is "two hundred eleven trillion, forty billion, two hundred ten million, four hundred twenty thousand, four hundred forty-one".