22102241100 has 72 divisors (see below), whose sum is σ = 64027568640. Its totient is φ = 5886703680.

The previous prime is 22102241071. The next prime is 22102241111. The reversal of 22102241100 is 114220122.

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 22102241100.

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, 202141 + ... + 291659.

Almost surely, 2^22102241100 is an apocalyptic number.

22102241100 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 22102241100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32013784320).

22102241100 is an abundant number, since it is smaller than the sum of its proper divisors (41925327540).

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

22102241100 is a wasteful number, since it uses less digits than its factorization.

22102241100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90359 (or 90352 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22102241100 its reverse (114220122), we get a palindrome (22216461222).

The spelling of 22102241100 in words is "twenty-two billion, one hundred two million, two hundred forty-one thousand, one hundred".