11220330132 has 144 divisors (see below), whose sum is σ = 31399280640. Its totient is φ = 3350088000.

The previous prime is 11220330131. The next prime is 11220330151. The reversal of 11220330132 is 23103302211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220330131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9747757 + ... + 9748907.

It is an arithmetic number, because the mean of its divisors is an integer number (218050560).

Almost surely, 2^11220330132 is an apocalyptic number.

11220330132 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 11220330132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15699640320).

11220330132 is an abundant number, since it is smaller than the sum of its proper divisors (20178950508).

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

11220330132 is a wasteful number, since it uses less digits than its factorization.

11220330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1509 counting only the distinct ones).

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

Adding to 11220330132 its reverse (23103302211), we get a palindrome (34323632343).

The spelling of 11220330132 in words is "eleven billion, two hundred twenty million, three hundred thirty thousand, one hundred thirty-two".