11220221133 has 48 divisors (see below), whose sum is σ = 18430251840. Its totient is φ = 6515308800.

The previous prime is 11220221113. The next prime is 11220221143. The reversal of 11220221133 is 33112202211.

It is not a de Polignac number, because 11220221133 - 2⁸ = 11220220877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220221113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361185 + ... + 391017.

It is an arithmetic number, because the mean of its divisors is an integer number (383963580).

Almost surely, 2^11220221133 is an apocalyptic number.

It is an amenable number.

11220221133 is a deficient number, since it is larger than the sum of its proper divisors (7210030707).

11220221133 is a wasteful number, since it uses less digits than its factorization.

11220221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30010 (or 30007 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11220221133 its reverse (33112202211), we get a palindrome (44332423344).

The spelling of 11220221133 in words is "eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred thirty-three".