130443442121 has 4 divisors (see below), whose sum is σ = 130472286672. Its totient is φ = 130414597572.

The previous prime is 130443442111. The next prime is 130443442123. The reversal of 130443442121 is 121244344031.

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 130443442121 - 2²⁶ = 130376333257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130443442123) 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, 14415491 + ... + 14424536.

It is an arithmetic number, because the mean of its divisors is an integer number (32618071668).

Almost surely, 2^130443442121 is an apocalyptic number.

It is an amenable number.

130443442121 is a deficient number, since it is larger than the sum of its proper divisors (28844551).

130443442121 is an equidigital number, since it uses as much as digits as its factorization.

130443442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28844550.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 130443442121 its reverse (121244344031), we get a palindrome (251687786152).

The spelling of 130443442121 in words is "one hundred thirty billion, four hundred forty-three million, four hundred forty-two thousand, one hundred twenty-one".