130221134443 has 4 divisors (see below), whose sum is σ = 130531925160. Its totient is φ = 129910343728.

The previous prime is 130221134431. The next prime is 130221134509. The reversal of 130221134443 is 344431122031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130221134443 - 2⁵ = 130221134411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130221134843) 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, 155394730 + ... + 155395567.

It is an arithmetic number, because the mean of its divisors is an integer number (32632981290).

Almost surely, 2^130221134443 is an apocalyptic number.

130221134443 is a deficient number, since it is larger than the sum of its proper divisors (310790717).

130221134443 is an equidigital number, since it uses as much as digits as its factorization.

130221134443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310790716.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 130221134443 its reverse (344431122031), we get a palindrome (474652256474).

The spelling of 130221134443 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred thirty-four thousand, four hundred forty-three".