11031222032 has 80 divisors (see below), whose sum is σ = 22841966592. Its totient is φ = 5151444480.

The previous prime is 11031222023. The next prime is 11031222061. The reversal of 11031222032 is 23022213011.

It is a self number, because there is not a number n which added to its sum of digits gives 11031222032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328338 + ... + 2333070.

Almost surely, 2^11031222032 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 11031222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11420983296).

11031222032 is an abundant number, since it is smaller than the sum of its proper divisors (11810744560).

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

11031222032 is a wasteful number, since it uses less digits than its factorization.

11031222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11031222032 its reverse (23022213011), we get a palindrome (34053435043).

The spelling of 11031222032 in words is "eleven billion, thirty-one million, two hundred twenty-two thousand, thirty-two".