422401100203 has 2 divisors, whose sum is σ = 422401100204. Its totient is φ = 422401100202.

The previous prime is 422401100201. The next prime is 422401100273. The reversal of 422401100203 is 302001104224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422401100203 - 2¹ = 422401100201 is a prime.

Together with 422401100201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (422401100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211200550101 + 211200550102.

It is an arithmetic number, because the mean of its divisors is an integer number (211200550102).

Almost surely, 2^422401100203 is an apocalyptic number.

422401100203 is a deficient number, since it is larger than the sum of its proper divisors (1).

422401100203 is an equidigital number, since it uses as much as digits as its factorization.

422401100203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 422401100203 its reverse (302001104224), we get a palindrome (724402204427).

The spelling of 422401100203 in words is "four hundred twenty-two billion, four hundred one million, one hundred thousand, two hundred three".