11212021110233 has 2 divisors, whose sum is σ = 11212021110234. Its totient is φ = 11212021110232.

The previous prime is 11212021109987. The next prime is 11212021110259. The reversal of 11212021110233 is 33201112021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6116653936969 + 5095367173264 = 2473187^2 + 2257292^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212021110233 - 2²⁴ = 11212004333017 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 (11212021310233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606010555116 + 5606010555117.

It is an arithmetic number, because the mean of its divisors is an integer number (5606010555117).

Almost surely, 2^{11212021110233} is an apocalyptic number.

It is an amenable number.

11212021110233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212021110233 is an equidigital number, since it uses as much as digits as its factorization.

11212021110233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11212021110233 its reverse (33201112021211), we get a palindrome (44413133131444).

The spelling of 11212021110233 in words is "eleven trillion, two hundred twelve billion, twenty-one million, one hundred ten thousand, two hundred thirty-three".