130223033221 has 4 divisors (see below), whose sum is σ = 130435469452. Its totient is φ = 130010596992.

The previous prime is 130223033183. The next prime is 130223033231. The reversal of 130223033221 is 122330322031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13412882596 + 116810150625 = 115814^2 + 341775^2 .

It is a cyclic number.

It is not a de Polignac number, because 130223033221 - 2³¹ = 128075549573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130223033192 and 130223033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130223033231) 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, 106217196 + ... + 106218421.

It is an arithmetic number, because the mean of its divisors is an integer number (32608867363).

Almost surely, 2^130223033221 is an apocalyptic number.

It is an amenable number.

130223033221 is a deficient number, since it is larger than the sum of its proper divisors (212436231).

130223033221 is an equidigital number, since it uses as much as digits as its factorization.

130223033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212436230.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 130223033221 its reverse (122330322031), we get a palindrome (252553355252).

The spelling of 130223033221 in words is "one hundred thirty billion, two hundred twenty-three million, thirty-three thousand, two hundred twenty-one".