301221020113 has 4 divisors (see below), whose sum is σ = 324391867828. Its totient is φ = 278050172400.

The previous prime is 301221020071. The next prime is 301221020117. The reversal of 301221020113 is 311020122103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311020122103 = 821 ⋅378830843.

It can be written as a sum of positive squares in 2 ways, for example, as 41766279424 + 259454740689 = 204368^2 + 509367^2 .

It is not a de Polignac number, because 301221020113 - 2¹³ = 301221011921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (301221020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11585423838 + ... + 11585423863.

It is an arithmetic number, because the mean of its divisors is an integer number (81097966957).

Almost surely, 2^301221020113 is an apocalyptic number.

It is an amenable number.

301221020113 is a deficient number, since it is larger than the sum of its proper divisors (23170847715).

301221020113 is a wasteful number, since it uses less digits than its factorization.

301221020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23170847714.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 301221020113 its reverse (311020122103), we get a palindrome (612241142216).

The spelling of 301221020113 in words is "three hundred one billion, two hundred twenty-one million, twenty thousand, one hundred thirteen".