300121214321 has 2 divisors, whose sum is σ = 300121214322. Its totient is φ = 300121214320.

The previous prime is 300121214317. The next prime is 300121214333. The reversal of 300121214321 is 123412121003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253170991921 + 46950222400 = 503161^2 + 216680^2 .

It is an emirp because it is prime and its reverse (123412121003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300121214321 - 2² = 300121214317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300121214293 and 300121214302.

It is not a weakly prime, because it can be changed into another prime (300121214821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150060607160 + 150060607161.

It is an arithmetic number, because the mean of its divisors is an integer number (150060607161).

Almost surely, 2^300121214321 is an apocalyptic number.

It is an amenable number.

300121214321 is a deficient number, since it is larger than the sum of its proper divisors (1).

300121214321 is an equidigital number, since it uses as much as digits as its factorization.

300121214321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 300121214321 its reverse (123412121003), we get a palindrome (423533335324).

The spelling of 300121214321 in words is "three hundred billion, one hundred twenty-one million, two hundred fourteen thousand, three hundred twenty-one".