11220304133 has 4 divisors (see below), whose sum is σ = 11240817120. Its totient is φ = 11199791148.

The previous prime is 11220304129. The next prime is 11220304171. The reversal of 11220304133 is 33140302211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33140302211 = 47 ⋅705112813.

It is a cyclic number.

It is not a de Polignac number, because 11220304133 - 2² = 11220304129 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 (11220304033) 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, 10255673 + ... + 10256766.

It is an arithmetic number, because the mean of its divisors is an integer number (2810204280).

Almost surely, 2^11220304133 is an apocalyptic number.

It is an amenable number.

11220304133 is a deficient number, since it is larger than the sum of its proper divisors (20512987).

11220304133 is an equidigital number, since it uses as much as digits as its factorization.

11220304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512986.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11220304133 its reverse (33140302211), we get a palindrome (44360606344).

The spelling of 11220304133 in words is "eleven billion, two hundred twenty million, three hundred four thousand, one hundred thirty-three".