2221320030311 has 2 divisors, whose sum is σ = 2221320030312. Its totient is φ = 2221320030310.

The previous prime is 2221320030283. The next prime is 2221320030313. The reversal of 2221320030311 is 1130300231222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221320030311 is a prime.

Together with 2221320030313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221320030313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110660015155 + 1110660015156.

It is an arithmetic number, because the mean of its divisors is an integer number (1110660015156).

Almost surely, 2^{2221320030311} is an apocalyptic number.

2221320030311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221320030311 is an equidigital number, since it uses as much as digits as its factorization.

2221320030311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2221320030311 its reverse (1130300231222), we get a palindrome (3351620261533).

The spelling of 2221320030311 in words is "two trillion, two hundred twenty-one billion, three hundred twenty million, thirty thousand, three hundred eleven".