300021023121 has 8 divisors (see below), whose sum is σ = 400049257440. Its totient is φ = 200003402112.

The previous prime is 300021023119. The next prime is 300021023149. The reversal of 300021023121 is 121320120003.

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

It is not a de Polignac number, because 300021023121 - 2¹ = 300021023119 is a prime.

It is a super-2 number, since 2×300021023121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 300021023121.

It is not an unprimeable number, because it can be changed into a prime (300021023161) 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 7 ways as a sum of consecutive naturals, for example, 2587131 + ... + 2700608.

It is an arithmetic number, because the mean of its divisors is an integer number (50006157180).

Almost surely, 2^300021023121 is an apocalyptic number.

It is an amenable number.

300021023121 is a deficient number, since it is larger than the sum of its proper divisors (100028234319).

300021023121 is a wasteful number, since it uses less digits than its factorization.

300021023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306655.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 300021023121 its reverse (121320120003), we get a palindrome (421341143124).

The spelling of 300021023121 in words is "three hundred billion, twenty-one million, twenty-three thousand, one hundred twenty-one".