424242421103 has 2 divisors, whose sum is σ = 424242421104. Its totient is φ = 424242421102.

The previous prime is 424242421081. The next prime is 424242421123. The reversal of 424242421103 is 301124242424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424242421103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424242421123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212121210551 + 212121210552.

It is an arithmetic number, because the mean of its divisors is an integer number (212121210552).

Almost surely, 2^424242421103 is an apocalyptic number.

424242421103 is a deficient number, since it is larger than the sum of its proper divisors (1).

424242421103 is an equidigital number, since it uses as much as digits as its factorization.

424242421103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 424242421103 its reverse (301124242424), we get a palindrome (725366663527).

The spelling of 424242421103 in words is "four hundred twenty-four billion, two hundred forty-two million, four hundred twenty-one thousand, one hundred three".