211244024401 has 2 divisors, whose sum is σ = 211244024402. Its totient is φ = 211244024400.

The previous prime is 211244024353. The next prime is 211244024441. The reversal of 211244024401 is 104420442112.

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., 166300024401 + 44944000000 = 407799^2 + 212000^2 .

It is a cyclic number.

It is not a de Polignac number, because 211244024401 - 2²⁵ = 211210469969 is a prime.

It is not a weakly prime, because it can be changed into another prime (211244024441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105622012200 + 105622012201.

It is an arithmetic number, because the mean of its divisors is an integer number (105622012201).

Almost surely, 2^211244024401 is an apocalyptic number.

It is an amenable number.

211244024401 is a deficient number, since it is larger than the sum of its proper divisors (1).

211244024401 is an equidigital number, since it uses as much as digits as its factorization.

211244024401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 211244024401 its reverse (104420442112), we get a palindrome (315664466513).

The spelling of 211244024401 in words is "two hundred eleven billion, two hundred forty-four million, twenty-four thousand, four hundred one".