11001012224 has 28 divisors (see below), whose sum is σ = 22000697934. Its totient is φ = 5500502016.

The previous prime is 11001012223. The next prime is 11001012229. The reversal of 11001012224 is 42221010011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6267572224 + 4733440000 = 79168^2 + 68800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11001012199 and 11001012208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001012223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663257 + ... + 679640.

Almost surely, 2^11001012224 is an apocalyptic number.

It is an amenable number.

11001012224 is a deficient number, since it is larger than the sum of its proper divisors (10999685710).

11001012224 is an frugal number, since it uses more digits than its factorization.

11001012224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342923 (or 1342899 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11001012224 its reverse (42221010011), we get a palindrome (53222022235).

The spelling of 11001012224 in words is "eleven billion, one million, twelve thousand, two hundred twenty-four".