11220022032 has 80 divisors (see below), whose sum is σ = 30860024832. Its totient is φ = 3500513280.

The previous prime is 11220021991. The next prime is 11220022039. The reversal of 11220022032 is 23022002211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11220022039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109713 + ... + 185679.

Almost surely, 2^11220022032 is an apocalyptic number.

11220022032 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 11220022032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15430012416).

11220022032 is an abundant number, since it is smaller than the sum of its proper divisors (19640002800).

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

11220022032 is a wasteful number, since it uses less digits than its factorization.

11220022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76176 (or 76170 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 11220022032 its reverse (23022002211), we get a palindrome (34242024243).

The spelling of 11220022032 in words is "eleven billion, two hundred twenty million, twenty-two thousand, thirty-two".