22122332111100 has 288 divisors, whose sum is σ = 69074357958144. Its totient is φ = 5434178688000.

The previous prime is 22122332111071. The next prime is 22122332111101. The reversal of 22122332111100 is 111123322122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122332111101) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 4827039409 + ... + 4827043991.

It is an arithmetic number, because the mean of its divisors is an integer number (239841520688).

Almost surely, 2^{22122332111100} is an apocalyptic number.

22122332111100 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 22122332111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34537178979072).

22122332111100 is an abundant number, since it is smaller than the sum of its proper divisors (46952025847044).

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

22122332111100 is a wasteful number, since it uses less digits than its factorization.

22122332111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22122332111100 its reverse (111123322122), we get a palindrome (22233455433222).

The spelling of 22122332111100 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred thirty-two million, one hundred eleven thousand, one hundred".