301030120300121 has 6 divisors (see below), whose sum is σ = 301499013848490. Its totient is φ = 300561954847968.

The previous prime is 301030120300103. The next prime is 301030120300127. The reversal of 301030120300121 is 121003021030103.

It can be written as a sum of positive squares in only one way, i.e., 300891036056521 + 139084243600 = 17346211^2 + 372940^2 .

It is a de Polignac number, because none of the positive numbers 2^k-301030120300121 is a prime.

It is a super-2 number, since 2×301030120300121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 301030120300121.

It is not an unprimeable number, because it can be changed into a prime (301030120300127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363634016 + ... + 364460913.

It is an arithmetic number, because the mean of its divisors is an integer number (50249835641415).

Almost surely, 2^{301030120300121} is an apocalyptic number.

It is an amenable number.

301030120300121 is a deficient number, since it is larger than the sum of its proper divisors (468893548369).

301030120300121 is an frugal number, since it uses more digits than its factorization.

301030120300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728096215 (or 728095572 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 301030120300121 its reverse (121003021030103), we get a palindrome (422033141330224).

The spelling of 301030120300121 in words is "three hundred one trillion, thirty billion, one hundred twenty million, three hundred thousand, one hundred twenty-one".