420110111224913 has 2 divisors, whose sum is σ = 420110111224914. Its totient is φ = 420110111224912.

The previous prime is 420110111224897. The next prime is 420110111224919. The reversal of 420110111224913 is 319422111011024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405952260138049 + 14157851086864 = 20148257^2 + 3762692^2 .

It is a cyclic number.

It is not a de Polignac number, because 420110111224913 - 2⁴ = 420110111224897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420110111224913.

It is not a weakly prime, because it can be changed into another prime (420110111224919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210055055612456 + 210055055612457.

It is an arithmetic number, because the mean of its divisors is an integer number (210055055612457).

Almost surely, 2^{420110111224913} is an apocalyptic number.

It is an amenable number.

420110111224913 is a deficient number, since it is larger than the sum of its proper divisors (1).

420110111224913 is an equidigital number, since it uses as much as digits as its factorization.

420110111224913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

Adding to 420110111224913 its reverse (319422111011024), we get a palindrome (739532222235937).

The spelling of 420110111224913 in words is "four hundred twenty trillion, one hundred ten billion, one hundred eleven million, two hundred twenty-four thousand, nine hundred thirteen".