2101240241 has 2 divisors, whose sum is σ = 2101240242. Its totient is φ = 2101240240.

The previous prime is 2101240237. The next prime is 2101240247. The reversal of 2101240241 is 1420421012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1671092641 + 430147600 = 40879^2 + 20740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101240241 - 2² = 2101240237 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101240247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050620120 + 1050620121.

It is an arithmetic number, because the mean of its divisors is an integer number (1050620121).

Almost surely, 2^2101240241 is an apocalyptic number.

It is an amenable number.

2101240241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101240241 is an equidigital number, since it uses as much as digits as its factorization.

2101240241 is an evil number, because the sum of its binary digits is even.

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

The square root of 2101240241 is about 45839.2870908787. The cubic root of 2101240241 is about 1280.8312148641.

Adding to 2101240241 its reverse (1420421012), we get a palindrome (3521661253).

The spelling of 2101240241 in words is "two billion, one hundred one million, two hundred forty thousand, two hundred forty-one".