421121130013 has 4 divisors (see below), whose sum is σ = 421169952960. Its totient is φ = 421072307068.

The previous prime is 421121130007. The next prime is 421121130029. The reversal of 421121130013 is 310031121124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421121130013 - 2³³ = 412531195421 is a prime.

It is a super-2 number, since 2×421121130013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421121134013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24398533 + ... + 24415786.

It is an arithmetic number, because the mean of its divisors is an integer number (105292488240).

Almost surely, 2^421121130013 is an apocalyptic number.

It is an amenable number.

421121130013 is a deficient number, since it is larger than the sum of its proper divisors (48822947).

421121130013 is an equidigital number, since it uses as much as digits as its factorization.

421121130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48822946.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 421121130013 its reverse (310031121124), we get a palindrome (731152251137).

The spelling of 421121130013 in words is "four hundred twenty-one billion, one hundred twenty-one million, one hundred thirty thousand, thirteen".