22110332100 has 72 divisors (see below), whose sum is σ = 64137353280. Its totient is φ = 5880900480.

The previous prime is 22110332093. The next prime is 22110332131. The reversal of 22110332100 is 123301122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22110332100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21969 + ... + 211431.

Almost surely, 2^22110332100 is an apocalyptic number.

22110332100 is a gapful number since it is divisible by the number (20) 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 22110332100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32068676640).

22110332100 is an abundant number, since it is smaller than the sum of its proper divisors (42027021180).

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

22110332100 is a wasteful number, since it uses less digits than its factorization.

22110332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189869 (or 189862 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22110332100 its reverse (123301122), we get a palindrome (22233633222).

The spelling of 22110332100 in words is "twenty-two billion, one hundred ten million, three hundred thirty-two thousand, one hundred".