22100113332 has 144 divisors (see below), whose sum is σ = 63999149760. Its totient is φ = 6540609600.

The previous prime is 22100113309. The next prime is 22100113333. The reversal of 22100113332 is 23331100122.

22100113332 is a `hidden beast` number, since 221 + 0 + 0 + 113 + 332 = 666.

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 (22100113333) 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, 2191582 + ... + 2201642.

It is an arithmetic number, because the mean of its divisors is an integer number (444438540).

Almost surely, 2^22100113332 is an apocalyptic number.

22100113332 is a gapful number since it is divisible by the number (22) 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 22100113332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31999574880).

22100113332 is an abundant number, since it is smaller than the sum of its proper divisors (41899036428).

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

22100113332 is a wasteful number, since it uses less digits than its factorization.

22100113332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171 (or 10120 counting only the distinct ones).

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

Adding to 22100113332 its reverse (23331100122), we get a palindrome (45431213454).

The spelling of 22100113332 in words is "twenty-two billion, one hundred million, one hundred thirteen thousand, three hundred thirty-two".