4215420421103 has 2 divisors, whose sum is σ = 4215420421104. Its totient is φ = 4215420421102.

The previous prime is 4215420421067. The next prime is 4215420421123. The reversal of 4215420421103 is 3011240245124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4215420421103 - 2¹⁸ = 4215420158959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4215420421123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107710210551 + 2107710210552.

It is an arithmetic number, because the mean of its divisors is an integer number (2107710210552).

Almost surely, 2^{4215420421103} is an apocalyptic number.

4215420421103 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215420421103 is an equidigital number, since it uses as much as digits as its factorization.

4215420421103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 4215420421103 its reverse (3011240245124), we get a palindrome (7226660666227).

The spelling of 4215420421103 in words is "four trillion, two hundred fifteen billion, four hundred twenty million, four hundred twenty-one thousand, one hundred three".