21114130241 has 2 divisors, whose sum is σ = 21114130242. Its totient is φ = 21114130240.

The previous prime is 21114130229. The next prime is 21114130313. The reversal of 21114130241 is 14203141112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16536931216 + 4577199025 = 128596^2 + 67655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21114130241 is a prime.

It is not a weakly prime, because it can be changed into another prime (21114130201) 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, 10557065120 + 10557065121.

It is an arithmetic number, because the mean of its divisors is an integer number (10557065121).

Almost surely, 2^21114130241 is an apocalyptic number.

It is an amenable number.

21114130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114130241 is an equidigital number, since it uses as much as digits as its factorization.

21114130241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21114130241 its reverse (14203141112), we get a palindrome (35317271353).

The spelling of 21114130241 in words is "twenty-one billion, one hundred fourteen million, one hundred thirty thousand, two hundred forty-one".