300220121 has 4 divisors (see below), whose sum is σ = 316021200. Its totient is φ = 284419044.

The previous prime is 300220111. The next prime is 300220139. The reversal of 300220121 is 121022003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121022003 = 8059 ⋅15017.

It is a cyclic number.

It is not a de Polignac number, because 300220121 - 2²² = 296025817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300220111) 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, 7900511 + ... + 7900548.

It is an arithmetic number, because the mean of its divisors is an integer number (79005300).

Almost surely, 2^300220121 is an apocalyptic number.

It is an amenable number.

300220121 is a deficient number, since it is larger than the sum of its proper divisors (15801079).

300220121 is a wasteful number, since it uses less digits than its factorization.

300220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15801078.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 300220121 is about 17326.8612564423. The cubic root of 300220121 is about 669.5966392209.

Adding to 300220121 its reverse (121022003), we get a palindrome (421242124).

The spelling of 300220121 in words is "three hundred million, two hundred twenty thousand, one hundred twenty-one".