301220130221 has 8 divisors (see below), whose sum is σ = 302320229400. Its totient is φ = 300121386048.

The previous prime is 301220130191. The next prime is 301220130229. The reversal of 301220130221 is 122031022103.

It can be written as a sum of positive squares in 4 ways, for example, as 121880584996 + 179339545225 = 349114^2 + 423485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 301220130221 - 2⁶ = 301220130157 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 301220130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301220130229) 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 7 ways as a sum of consecutive naturals, for example, 107735 + ... + 783611.

It is an arithmetic number, because the mean of its divisors is an integer number (37790028675).

Almost surely, 2^301220130221 is an apocalyptic number.

It is an amenable number.

301220130221 is a deficient number, since it is larger than the sum of its proper divisors (1100099179).

301220130221 is a wasteful number, since it uses less digits than its factorization.

301220130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677503.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 301220130221 its reverse (122031022103), we get a palindrome (423251152324).

The spelling of 301220130221 in words is "three hundred one billion, two hundred twenty million, one hundred thirty thousand, two hundred twenty-one".