3000312222221 has 2 divisors, whose sum is σ = 3000312222222. Its totient is φ = 3000312222220.

The previous prime is 3000312222197. The next prime is 3000312222251. The reversal of 3000312222221 is 1222222130003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2333943675625 + 666368546596 = 1527725^2 + 816314^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000312222221 - 2¹⁰ = 3000312221197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3000312222193 and 3000312222202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3000312222251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500156111110 + 1500156111111.

It is an arithmetic number, because the mean of its divisors is an integer number (1500156111111).

Almost surely, 2^{3000312222221} is an apocalyptic number.

It is an amenable number.

3000312222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000312222221 is an equidigital number, since it uses as much as digits as its factorization.

3000312222221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 3000312222221 its reverse (1222222130003), we get a palindrome (4222534352224).

It can be divided in two parts, 300031 and 2222221, that added together give a palindrome (2522252).

The spelling of 3000312222221 in words is "three trillion, three hundred twelve million, two hundred twenty-two thousand, two hundred twenty-one".