11220120032 has 96 divisors (see below), whose sum is σ = 24840224640. Its totient is φ = 4944683520.

The previous prime is 11220120017. The next prime is 11220120049. The reversal of 11220120032 is 23002102211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220119989 and 11220120016.

It is a congruent number.

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, 2101238 + ... + 2106570.

It is an arithmetic number, because the mean of its divisors is an integer number (258752340).

Almost surely, 2^11220120032 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 11220120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12420112320).

11220120032 is an abundant number, since it is smaller than the sum of its proper divisors (13620104608).

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

11220120032 is a wasteful number, since it uses less digits than its factorization.

11220120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11220120032 its reverse (23002102211), we get a palindrome (34222222243).

The spelling of 11220120032 in words is "eleven billion, two hundred twenty million, one hundred twenty thousand, thirty-two".