130421024421 has 4 divisors (see below), whose sum is σ = 173894699232. Its totient is φ = 86947349612.

The previous prime is 130421024413. The next prime is 130421024431. The reversal of 130421024421 is 124420124031.

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 130421024421 - 2³ = 130421024413 is a prime.

It is a super-2 number, since 2×130421024421² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130421024391 and 130421024400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130421024431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21736837401 + ... + 21736837406.

It is an arithmetic number, because the mean of its divisors is an integer number (43473674808).

Almost surely, 2^130421024421 is an apocalyptic number.

It is an amenable number.

130421024421 is a deficient number, since it is larger than the sum of its proper divisors (43473674811).

130421024421 is an equidigital number, since it uses as much as digits as its factorization.

130421024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43473674810.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 130421024421 its reverse (124420124031), we get a palindrome (254841148452).

The spelling of 130421024421 in words is "one hundred thirty billion, four hundred twenty-one million, twenty-four thousand, four hundred twenty-one".