421121234113 has 16 divisors (see below), whose sum is σ = 426355471360. Its totient is φ = 415910688336.

The previous prime is 421121234111. The next prime is 421121234119. The reversal of 421121234113 is 311432121124.

It is a cyclic number.

It is not a de Polignac number, because 421121234113 - 2¹ = 421121234111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421121234111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64319506 + ... + 64326052.

It is an arithmetic number, because the mean of its divisors is an integer number (26647216960).

Almost surely, 2^421121234113 is an apocalyptic number.

It is an amenable number.

421121234113 is a deficient number, since it is larger than the sum of its proper divisors (5234237247).

421121234113 is a wasteful number, since it uses less digits than its factorization.

421121234113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236.

The product of its digits is 1152, while the sum is 25.

Adding to 421121234113 its reverse (311432121124), we get a palindrome (732553355237).

The spelling of 421121234113 in words is "four hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-four thousand, one hundred thirteen".