22103112300 has 288 divisors, whose sum is σ = 69412224000. Its totient is φ = 5412096000.

The previous prime is 22103112299. The next prime is 22103112331. The reversal of 22103112300 is 321130122.

It is a super-2 number, since 2×22103112300² (a number of 21 digits) contains 22 as substring.

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 22103112300.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63332526 + ... + 63332874.

Almost surely, 2^22103112300 is an apocalyptic number.

22103112300 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 22103112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34706112000).

22103112300 is an abundant number, since it is smaller than the sum of its proper divisors (47309111700).

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

22103112300 is a wasteful number, since it uses less digits than its factorization.

22103112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

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

Adding to 22103112300 its reverse (321130122), we get a palindrome (22424242422).

The spelling of 22103112300 in words is "twenty-two billion, one hundred three million, one hundred twelve thousand, three hundred".