11333230320221 has 2 divisors, whose sum is σ = 11333230320222. Its totient is φ = 11333230320220.

The previous prime is 11333230320199. The next prime is 11333230320281. The reversal of 11333230320221 is 12202303233311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11316294160900 + 16936159321 = 3363970^2 + 130139^2 .

It is an emirp because it is prime and its reverse (12202303233311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11333230320221 - 2¹⁸ = 11333230058077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11333230320281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666615160110 + 5666615160111.

It is an arithmetic number, because the mean of its divisors is an integer number (5666615160111).

Almost surely, 2^{11333230320221} is an apocalyptic number.

It is an amenable number.

11333230320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333230320221 is an equidigital number, since it uses as much as digits as its factorization.

11333230320221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 11333230320221 its reverse (12202303233311), we get a palindrome (23535533553532).

The spelling of 11333230320221 in words is "eleven trillion, three hundred thirty-three billion, two hundred thirty million, three hundred twenty thousand, two hundred twenty-one".