11033213123 has 2 divisors, whose sum is σ = 11033213124. Its totient is φ = 11033213122.

The previous prime is 11033213099. The next prime is 11033213161. The reversal of 11033213123 is 32131233011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11033213123 - 2¹² = 11033209027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11033213095 and 11033213104.

It is not a weakly prime, because it can be changed into another prime (11033213173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516606561 + 5516606562.

It is an arithmetic number, because the mean of its divisors is an integer number (5516606562).

Almost surely, 2^11033213123 is an apocalyptic number.

11033213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033213123 is an equidigital number, since it uses as much as digits as its factorization.

11033213123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11033213123 its reverse (32131233011), we get a palindrome (43164446134).

The spelling of 11033213123 in words is "eleven billion, thirty-three million, two hundred thirteen thousand, one hundred twenty-three".