300011221221 has 8 divisors (see below), whose sum is σ = 402699626400. Its totient is φ = 198665148432.

The previous prime is 300011221189. The next prime is 300011221247. The reversal of 300011221221 is 122122110003.

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

It is not a de Polignac number, because 300011221221 - 2⁵ = 300011221189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 300011221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300011221271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335582575 + ... + 335583468.

It is an arithmetic number, because the mean of its divisors is an integer number (50337453300).

Almost surely, 2^300011221221 is an apocalyptic number.

It is an amenable number.

300011221221 is a deficient number, since it is larger than the sum of its proper divisors (102688405179).

300011221221 is a wasteful number, since it uses less digits than its factorization.

300011221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671166195.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 300011221221 its reverse (122122110003), we get a palindrome (422133331224).

The spelling of 300011221221 in words is "three hundred billion, eleven million, two hundred twenty-one thousand, two hundred twenty-one".