11330221311601 has 2 divisors, whose sum is σ = 11330221311602. Its totient is φ = 11330221311600.

The previous prime is 11330221311599. The next prime is 11330221311623. The reversal of 11330221311601 is 10611312203311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8940488704225 + 2389732607376 = 2990065^2 + 1545876^2 .

It is an emirp because it is prime and its reverse (10611312203311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11330221311601 - 2¹ = 11330221311599 is a prime.

Together with 11330221311599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11330221311901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665110655800 + 5665110655801.

It is an arithmetic number, because the mean of its divisors is an integer number (5665110655801).

Almost surely, 2^{11330221311601} is an apocalyptic number.

It is an amenable number.

11330221311601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330221311601 is an equidigital number, since it uses as much as digits as its factorization.

11330221311601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 11330221311601 its reverse (10611312203311), we get a palindrome (21941533514912).

The spelling of 11330221311601 in words is "eleven trillion, three hundred thirty billion, two hundred twenty-one million, three hundred eleven thousand, six hundred one".