22323121100 has 108 divisors (see below), whose sum is σ = 56877906456. Its totient is φ = 7581934080.

The previous prime is 22323121099. The next prime is 22323121127. The reversal of 22323121100 is 112132322.

It is a super-3 number, since 3×22323121100³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 503012 + ... + 545588.

It is an arithmetic number, because the mean of its divisors is an integer number (526647282).

Almost surely, 2^22323121100 is an apocalyptic number.

22323121100 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 22323121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28438953228).

22323121100 is an abundant number, since it is smaller than the sum of its proper divisors (34554785356).

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

22323121100 is a wasteful number, since it uses less digits than its factorization.

22323121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42712 (or 42698 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22323121100 its reverse (112132322), we get a palindrome (22435253422).

The spelling of 22323121100 in words is "twenty-two billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred".