212101105241 has 2 divisors, whose sum is σ = 212101105242. Its totient is φ = 212101105240.

The previous prime is 212101105207. The next prime is 212101105367. The reversal of 212101105241 is 142501101212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141612979225 + 70488126016 = 376315^2 + 265496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212101105241 is a prime.

It is not a weakly prime, because it can be changed into another prime (212101105141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050552620 + 106050552621.

It is an arithmetic number, because the mean of its divisors is an integer number (106050552621).

Almost surely, 2^212101105241 is an apocalyptic number.

It is an amenable number.

212101105241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101105241 is an equidigital number, since it uses as much as digits as its factorization.

212101105241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 212101105241 its reverse (142501101212), we get a palindrome (354602206453).

The spelling of 212101105241 in words is "two hundred twelve billion, one hundred one million, one hundred five thousand, two hundred forty-one".