22130001100 has 72 divisors (see below), whose sum is σ = 51242362640. Its totient is φ = 8271175680.

The previous prime is 22130001071. The next prime is 22130001109. The reversal of 22130001100 is 110003122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22130001109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58924 + ... + 218476.

Almost surely, 2^22130001100 is an apocalyptic number.

22130001100 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 22130001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25621181320).

22130001100 is an abundant number, since it is smaller than the sum of its proper divisors (29112361540).

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

22130001100 is a wasteful number, since it uses less digits than its factorization.

22130001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159659 (or 159652 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 22130001100 its reverse (110003122), we get a palindrome (22240004222).

The spelling of 22130001100 in words is "twenty-two billion, one hundred thirty million, one thousand, one hundred".