22001112120232 has 192 divisors, whose sum is σ = 53248246128000. Its totient is φ = 8488545246720.

The previous prime is 22001112120187. The next prime is 22001112120233. The reversal of 22001112120232 is 23202121110022.

22001112120232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (22001112120233) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 24231007 + ... + 25122577.

It is an arithmetic number, because the mean of its divisors is an integer number (277334615250).

Almost surely, 2^{22001112120232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001112120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26624123064000).

22001112120232 is an abundant number, since it is smaller than the sum of its proper divisors (31247134007768).

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

22001112120232 is a wasteful number, since it uses less digits than its factorization.

22001112120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891661 (or 891620 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22001112120232 its reverse (23202121110022), we get a palindrome (45203233230254).

The spelling of 22001112120232 in words is "twenty-two trillion, one billion, one hundred twelve million, one hundred twenty thousand, two hundred thirty-two".