300121101220 has 12 divisors (see below), whose sum is σ = 630254312604. Its totient is φ = 120048440480.

The previous prime is 300121101209. The next prime is 300121101229. The reversal of 300121101220 is 22101121003.

It can be written as a sum of positive squares in 2 ways, for example, as 66839829156 + 233281272064 = 258534^2 + 482992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 300121101220.

It is not an unprimeable number, because it can be changed into a prime (300121101229) 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, 7503027511 + ... + 7503027550.

It is an arithmetic number, because the mean of its divisors is an integer number (52521192717).

Almost surely, 2^300121101220 is an apocalyptic number.

It is an amenable number.

300121101220 is an abundant number, since it is smaller than the sum of its proper divisors (330133211384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300121101220 is a wasteful number, since it uses less digits than its factorization.

300121101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006055070 (or 15006055068 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 300121101220 its reverse (22101121003), we get a palindrome (322222222223).

The spelling of 300121101220 in words is "three hundred billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty".