22111020210241 has 2 divisors, whose sum is σ = 22111020210242. Its totient is φ = 22111020210240.

The previous prime is 22111020210187. The next prime is 22111020210283. The reversal of 22111020210241 is 14201202011122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14623901422641 + 7487118787600 = 3824121^2 + 2736260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111020210241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111020213241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055510105120 + 11055510105121.

It is an arithmetic number, because the mean of its divisors is an integer number (11055510105121).

Almost surely, 2^{22111020210241} is an apocalyptic number.

It is an amenable number.

22111020210241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111020210241 is an equidigital number, since it uses as much as digits as its factorization.

22111020210241 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 19.

Adding to 22111020210241 its reverse (14201202011122), we get a palindrome (36312222221363).

The spelling of 22111020210241 in words is "twenty-two trillion, one hundred eleven billion, twenty million, two hundred ten thousand, two hundred forty-one".