11320212212321 has 2 divisors, whose sum is σ = 11320212212322. Its totient is φ = 11320212212320.

The previous prime is 11320212212297. The next prime is 11320212212327. The reversal of 11320212212321 is 12321221202311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9125903269921 + 2194308942400 = 3020911^2 + 1481320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320212212321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11320212212327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660106106160 + 5660106106161.

It is an arithmetic number, because the mean of its divisors is an integer number (5660106106161).

Almost surely, 2^{11320212212321} is an apocalyptic number.

It is an amenable number.

11320212212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320212212321 is an equidigital number, since it uses as much as digits as its factorization.

11320212212321 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 23.

Adding to 11320212212321 its reverse (12321221202311), we get a palindrome (23641433414632).

The spelling of 11320212212321 in words is "eleven trillion, three hundred twenty billion, two hundred twelve million, two hundred twelve thousand, three hundred twenty-one".