421224245115 has 64 divisors (see below), whose sum is σ = 695936102400. Its totient is φ = 217462126464.

The previous prime is 421224245081. The next prime is 421224245153. The reversal of 421224245115 is 511542422124.

It is not a de Polignac number, because 421224245115 - 2¹⁷ = 421224114043 is a prime.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 22541346 + ... + 22560024.

It is an arithmetic number, because the mean of its divisors is an integer number (10874001600).

Almost surely, 2^421224245115 is an apocalyptic number.

421224245115 is a deficient number, since it is larger than the sum of its proper divisors (274711857285).

421224245115 is a wasteful number, since it uses less digits than its factorization.

421224245115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19136.

The product of its digits is 25600, while the sum is 33.

Adding to 421224245115 its reverse (511542422124), we get a palindrome (932766667239).

The spelling of 421224245115 in words is "four hundred twenty-one billion, two hundred twenty-four million, two hundred forty-five thousand, one hundred fifteen".