11033223012 has 72 divisors (see below), whose sum is σ = 33551336000. Its totient is φ = 2986435008.

The previous prime is 11033222987. The next prime is 11033223077. The reversal of 11033223012 is 21032233011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1147387 + ... + 1156962.

Almost surely, 2^11033223012 is an apocalyptic number.

11033223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11033223012 is an abundant number, since it is smaller than the sum of its proper divisors (22518112988).

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

11033223012 is a wasteful number, since it uses less digits than its factorization.

11033223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304385 (or 2304380 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11033223012 its reverse (21032233011), we get a palindrome (32065456023).

Subtracting 11033223012 from its reverse (21032233011), we obtain a palindrome (9999009999).

The spelling of 11033223012 in words is "eleven billion, thirty-three million, two hundred twenty-three thousand, twelve".