11021443332 has 96 divisors (see below), whose sum is σ = 27560316672. Its totient is φ = 3415965696.

The previous prime is 11021443313. The next prime is 11021443337. The reversal of 11021443332 is 23334412011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11021443337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6180513 + ... + 6182295.

It is an arithmetic number, because the mean of its divisors is an integer number (287086632).

Almost surely, 2^11021443332 is an apocalyptic number.

11021443332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021443332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780158336).

11021443332 is an abundant number, since it is smaller than the sum of its proper divisors (16538873340).

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

11021443332 is a wasteful number, since it uses less digits than its factorization.

11021443332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11021443332 its reverse (23334412011), we get a palindrome (34355855343).

The spelling of 11021443332 in words is "eleven billion, twenty-one million, four hundred forty-three thousand, three hundred thirty-two".