22102113100 has 72 divisors (see below), whose sum is σ = 50959707120. Its totient is φ = 8320610560.

The previous prime is 22102113091. The next prime is 22102113191. The reversal of 22102113100 is 131120122.

It is a super-2 number, since 2×22102113100² (a number of 21 digits) contains 22 as substring.

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, 468807 + ... + 513793.

It is an arithmetic number, because the mean of its divisors is an integer number (707773710).

Almost surely, 2^22102113100 is an apocalyptic number.

22102113100 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 22102113100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25479853560).

22102113100 is an abundant number, since it is smaller than the sum of its proper divisors (28857594020).

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

22102113100 is a wasteful number, since it uses less digits than its factorization.

22102113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45052 (or 45011 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22102113100 its reverse (131120122), we get a palindrome (22233233222).

The spelling of 22102113100 in words is "twenty-two billion, one hundred two million, one hundred thirteen thousand, one hundred".