11033330213 has 4 divisors (see below), whose sum is σ = 11033672748. Its totient is φ = 11032987680.

The previous prime is 11033330183. The next prime is 11033330221. The reversal of 11033330213 is 31203333011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31203333011 = 3583 ⋅8708717.

It can be written as a sum of positive squares in 2 ways, for example, as 4764174529 + 6269155684 = 69023^2 + 79178^2 .

It is a cyclic number.

It is not a de Polignac number, because 11033330213 - 2¹⁴ = 11033313829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033330513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117278 + ... + 189263.

It is an arithmetic number, because the mean of its divisors is an integer number (2758418187).

Almost surely, 2^11033330213 is an apocalyptic number.

It is an amenable number.

11033330213 is a deficient number, since it is larger than the sum of its proper divisors (342535).

11033330213 is an equidigital number, since it uses as much as digits as its factorization.

11033330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342534.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 11033330213 its reverse (31203333011), we get a palindrome (42236663224).

The spelling of 11033330213 in words is "eleven billion, thirty-three million, three hundred thirty thousand, two hundred thirteen".