11022112224 has 144 divisors (see below), whose sum is σ = 31858051680. Its totient is φ = 3614284800.

The previous prime is 11022112121. The next prime is 11022112229. The reversal of 11022112224 is 42221122011.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11022112197 and 11022112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022112229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4856562 + ... + 4858830.

It is an arithmetic number, because the mean of its divisors is an integer number (221236470).

Almost surely, 2^11022112224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11022112224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15929025840).

11022112224 is an abundant number, since it is smaller than the sum of its proper divisors (20835939456).

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

11022112224 is a wasteful number, since it uses less digits than its factorization.

11022112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11022112224 its reverse (42221122011), we get a palindrome (53243234235).

The spelling of 11022112224 in words is "eleven billion, twenty-two million, one hundred twelve thousand, two hundred twenty-four".