301301000221 has 4 divisors (see below), whose sum is σ = 324478000252. Its totient is φ = 278124000192.

The previous prime is 301301000219. The next prime is 301301000243. The reversal of 301301000221 is 122000103103.

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 25644499321 + 275656500900 = 160139^2 + 525030^2 .

It is a cyclic number.

It is not a de Polignac number, because 301301000221 - 2¹ = 301301000219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 23177000017 = 301301000221 / (3 + 0 + 1 + 3 + 0 + 1 + 0 + 0 + 0 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301301000291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11588499996 + ... + 11588500021.

It is an arithmetic number, because the mean of its divisors is an integer number (81119500063).

Almost surely, 2^301301000221 is an apocalyptic number.

It is an amenable number.

301301000221 is a deficient number, since it is larger than the sum of its proper divisors (23177000031).

301301000221 is a wasteful number, since it uses less digits than its factorization.

301301000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23177000030.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 301301000221 its reverse (122000103103), we get a palindrome (423301103324).

The spelling of 301301000221 in words is "three hundred one billion, three hundred one million, two hundred twenty-one", and thus it is an aban number.