421321231113 has 16 divisors (see below), whose sum is σ = 574917860160. Its totient is φ = 274378759424.

The previous prime is 421321231109. The next prime is 421321231171. The reversal of 421321231113 is 311132123124.

It is a cyclic number.

It is not a de Polignac number, because 421321231113 - 2² = 421321231109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421321231183) 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 in 15 ways as a sum of consecutive naturals, for example, 9483756 + ... + 9528077.

It is an arithmetic number, because the mean of its divisors is an integer number (35932366260).

Almost surely, 2^421321231113 is an apocalyptic number.

It is an amenable number.

421321231113 is a deficient number, since it is larger than the sum of its proper divisors (153596629047).

421321231113 is a wasteful number, since it uses less digits than its factorization.

421321231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012008.

The product of its digits is 864, while the sum is 24.

Adding to 421321231113 its reverse (311132123124), we get a palindrome (732453354237).

The spelling of 421321231113 in words is "four hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-one thousand, one hundred thirteen".