22011323120 has 80 divisors (see below), whose sum is σ = 51659506080. Its totient is φ = 8721792000.

The previous prime is 22011323101. The next prime is 22011323153. The reversal of 22011323120 is 2132311022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3892295 + ... + 3897945.

It is an arithmetic number, because the mean of its divisors is an integer number (645743826).

Almost surely, 2^22011323120 is an apocalyptic number.

22011323120 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 22011323120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25829753040).

22011323120 is an abundant number, since it is smaller than the sum of its proper divisors (29648182960).

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

22011323120 is a wasteful number, since it uses less digits than its factorization.

22011323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114 (or 6108 counting only the distinct ones).

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

Adding to 22011323120 its reverse (2132311022), we get a palindrome (24143634142).

The spelling of 22011323120 in words is "twenty-two billion, eleven million, three hundred twenty-three thousand, one hundred twenty".