302111222111213 has 2 divisors, whose sum is σ = 302111222111214. Its totient is φ = 302111222111212.

The previous prime is 302111222111183. The next prime is 302111222111359. The reversal of 302111222111213 is 312111222111203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296301208413604 + 5810013697609 = 17213402^2 + 2410397^2 .

It is an emirp because it is prime and its reverse (312111222111203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302111222111213 - 2¹⁰ = 302111222110189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302111222111513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151055611055606 + 151055611055607.

It is an arithmetic number, because the mean of its divisors is an integer number (151055611055607).

Almost surely, 2^{302111222111213} is an apocalyptic number.

It is an amenable number.

302111222111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

302111222111213 is an equidigital number, since it uses as much as digits as its factorization.

302111222111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 302111222111213 its reverse (312111222111203), we get a palindrome (614222444222416).

The spelling of 302111222111213 in words is "three hundred two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, two hundred thirteen".