300211110121213 has 4 divisors (see below), whose sum is σ = 300211778821500. Its totient is φ = 300210441420928.

The previous prime is 300211110121057. The next prime is 300211110121289. The reversal of 300211110121213 is 312121011112003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197538021451684 + 102673088669529 = 14054822^2 + 10132773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300211110121213 is a prime.

It is a super-2 number, since 2×300211110121213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300211110121913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333676270 + ... + 334574767.

It is an arithmetic number, because the mean of its divisors is an integer number (75052944705375).

Almost surely, 2^{300211110121213} is an apocalyptic number.

It is an amenable number.

300211110121213 is a deficient number, since it is larger than the sum of its proper divisors (668700287).

300211110121213 is an equidigital number, since it uses as much as digits as its factorization.

300211110121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668700286.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 300211110121213 its reverse (312121011112003), we get a palindrome (612332121233216).

The spelling of 300211110121213 in words is "three hundred trillion, two hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, two hundred thirteen".