11212221102233 has 2 divisors, whose sum is σ = 11212221102234. Its totient is φ = 11212221102232.

The previous prime is 11212221102197. The next prime is 11212221102263. The reversal of 11212221102233 is 33220112221211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7985552560384 + 3226668541849 = 2825872^2 + 1796293^2 .

It is an emirp because it is prime and its reverse (33220112221211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212221102233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11212221102199 and 11212221102208.

It is not a weakly prime, because it can be changed into another prime (11212221102263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606110551116 + 5606110551117.

It is an arithmetic number, because the mean of its divisors is an integer number (5606110551117).

Almost surely, 2^{11212221102233} is an apocalyptic number.

It is an amenable number.

11212221102233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212221102233 is an equidigital number, since it uses as much as digits as its factorization.

11212221102233 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 11212221102233 its reverse (33220112221211), we get a palindrome (44432333323444).

The spelling of 11212221102233 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred thirty-three".