22121124011300 has 216 divisors, whose sum is σ = 52864894555200. Its totient is φ = 8023421880320.

The previous prime is 22121124011297. The next prime is 22121124011411. The reversal of 22121124011300 is 311042112122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 391364441 + ... + 391420959.

It is an arithmetic number, because the mean of its divisors is an integer number (244744882200).

Almost surely, 2^{22121124011300} is an apocalyptic number.

22121124011300 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 22121124011300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26432447277600).

22121124011300 is an abundant number, since it is smaller than the sum of its proper divisors (30743770543900).

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

22121124011300 is a wasteful number, since it uses less digits than its factorization.

22121124011300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57063 (or 57039 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22121124011300 its reverse (311042112122), we get a palindrome (22432166123422).

The spelling of 22121124011300 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-four million, eleven thousand, three hundred".