130120211321 has 4 divisors (see below), whose sum is σ = 130120933200. Its totient is φ = 130119489444.

The previous prime is 130120211317. The next prime is 130120211323. The reversal of 130120211321 is 123112021031.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 130120211321 - 2² = 130120211317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130120211321.

It is not an unprimeable number, because it can be changed into a prime (130120211323) 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, 161690 + ... + 535148.

It is an arithmetic number, because the mean of its divisors is an integer number (32530233300).

Almost surely, 2^130120211321 is an apocalyptic number.

It is an amenable number.

130120211321 is a deficient number, since it is larger than the sum of its proper divisors (721879).

130120211321 is an equidigital number, since it uses as much as digits as its factorization.

130120211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721878.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 130120211321 its reverse (123112021031), we get a palindrome (253232232352).

The spelling of 130120211321 in words is "one hundred thirty billion, one hundred twenty million, two hundred eleven thousand, three hundred twenty-one".