130515424221 has 32 divisors (see below), whose sum is σ = 214356271360. Its totient is φ = 68786371584.

The previous prime is 130515424213. The next prime is 130515424261. The reversal of 130515424221 is 122424515031.

It is not a de Polignac number, because 130515424221 - 2³ = 130515424213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130515424211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134085 + ... + 528213.

It is an arithmetic number, because the mean of its divisors is an integer number (6698633480).

Almost surely, 2^130515424221 is an apocalyptic number.

It is an amenable number.

130515424221 is a deficient number, since it is larger than the sum of its proper divisors (83840847139).

130515424221 is a wasteful number, since it uses less digits than its factorization.

130515424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395365.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 130515424221 its reverse (122424515031), we get a palindrome (252939939252).

The spelling of 130515424221 in words is "one hundred thirty billion, five hundred fifteen million, four hundred twenty-four thousand, two hundred twenty-one".