11221223333 has 2 divisors, whose sum is σ = 11221223334. Its totient is φ = 11221223332.

The previous prime is 11221223317. The next prime is 11221223347. The reversal of 11221223333 is 33332212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8209628449 + 3011594884 = 90607^2 + 54878^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221223333 - 2⁴ = 11221223317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221223299 and 11221223308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221223383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610611666 + 5610611667.

It is an arithmetic number, because the mean of its divisors is an integer number (5610611667).

Almost surely, 2^11221223333 is an apocalyptic number.

It is an amenable number.

11221223333 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221223333 is an equidigital number, since it uses as much as digits as its factorization.

11221223333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 11221223333 its reverse (33332212211), we get a palindrome (44553435544).

The spelling of 11221223333 in words is "eleven billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-three".