11220442033 has 4 divisors (see below), whose sum is σ = 11582391808. Its totient is φ = 10858492260.

The previous prime is 11220442019. The next prime is 11220442049. The reversal of 11220442033 is 33024402211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11220442033 - 2¹³ = 11220433841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220441995 and 11220442013.

It is not an unprimeable number, because it can be changed into a prime (11220442063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180974841 + ... + 180974902.

It is an arithmetic number, because the mean of its divisors is an integer number (2895597952).

Almost surely, 2^11220442033 is an apocalyptic number.

It is an amenable number.

11220442033 is a deficient number, since it is larger than the sum of its proper divisors (361949775).

11220442033 is an equidigital number, since it uses as much as digits as its factorization.

11220442033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361949774.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11220442033 its reverse (33024402211), we get a palindrome (44244844244).

The spelling of 11220442033 in words is "eleven billion, two hundred twenty million, four hundred forty-two thousand, thirty-three".