11223321021224 has 64 divisors (see below), whose sum is σ = 22693339468800. Its totient is φ = 5172943539456.

The previous prime is 11223321021181. The next prime is 11223321021229. The reversal of 11223321021224 is 42212012332211.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 11223321021193 and 11223321021202.

It is not an unprimeable number, because it can be changed into a prime (11223321021229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303289907 + ... + 303326909.

It is an arithmetic number, because the mean of its divisors is an integer number (354583429200).

Almost surely, 2^{11223321021224} is an apocalyptic number.

It is an amenable number.

11223321021224 is an abundant number, since it is smaller than the sum of its proper divisors (11470018447576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11223321021224 is a wasteful number, since it uses less digits than its factorization.

11223321021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40914 (or 40910 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11223321021224 its reverse (42212012332211), we get a palindrome (53435333353435).

The spelling of 11223321021224 in words is "eleven trillion, two hundred twenty-three billion, three hundred twenty-one million, twenty-one thousand, two hundred twenty-four".