21341324107 has 2 divisors, whose sum is σ = 21341324108. Its totient is φ = 21341324106.

The previous prime is 21341324047. The next prime is 21341324161. The reversal of 21341324107 is 70142314312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21341324107 - 2⁷ = 21341323979 is a prime.

It is a super-2 number, since 2×21341324107² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21341324167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10670662053 + 10670662054.

It is an arithmetic number, because the mean of its divisors is an integer number (10670662054).

Almost surely, 2^21341324107 is an apocalyptic number.

21341324107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21341324107 is an equidigital number, since it uses as much as digits as its factorization.

21341324107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 21341324107 its reverse (70142314312), we get a palindrome (91483638419).

The spelling of 21341324107 in words is "twenty-one billion, three hundred forty-one million, three hundred twenty-four thousand, one hundred seven".