22124013100 has 144 divisors (see below), whose sum is σ = 56512146880. Its totient is φ = 7359206400.

The previous prime is 22124013091. The next prime is 22124013103. The reversal of 22124013100 is 131042122.

It is a super-2 number, since 2×22124013100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22124013103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10902886 + ... + 10904914.

Almost surely, 2^22124013100 is an apocalyptic number.

22124013100 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 22124013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28256073440).

22124013100 is an abundant number, since it is smaller than the sum of its proper divisors (34388133780).

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

22124013100 is a wasteful number, since it uses less digits than its factorization.

22124013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22124013100 its reverse (131042122), we get a palindrome (22255055222).

The spelling of 22124013100 in words is "twenty-two billion, one hundred twenty-four million, thirteen thousand, one hundred".