130213130221 has 4 divisors (see below), whose sum is σ = 130257168732. Its totient is φ = 130169091712.

The previous prime is 130213130197. The next prime is 130213130227. The reversal of 130213130221 is 122031312031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122031312031 = 1019 ⋅119755949.

It can be written as a sum of positive squares in 2 ways, for example, as 14875461225 + 115337668996 = 121965^2 + 339614^2 .

It is a cyclic number.

It is not a de Polignac number, because 130213130221 - 2¹³ = 130213122029 is a prime.

It is a super-2 number, since 2×130213130221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130213130227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22014820 + ... + 22020733.

It is an arithmetic number, because the mean of its divisors is an integer number (32564292183).

Almost surely, 2^130213130221 is an apocalyptic number.

It is an amenable number.

130213130221 is a deficient number, since it is larger than the sum of its proper divisors (44038511).

130213130221 is an equidigital number, since it uses as much as digits as its factorization.

130213130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44038510.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130213130221 its reverse (122031312031), we get a palindrome (252244442252).

The spelling of 130213130221 in words is "one hundred thirty billion, two hundred thirteen million, one hundred thirty thousand, two hundred twenty-one".