22201123110232 has 128 divisors (see below), whose sum is σ = 48102690585600. Its totient is φ = 9506908364800.

The previous prime is 22201123110217. The next prime is 22201123110241. The reversal of 22201123110232 is 23201132110222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140319744 + ... + 140477872.

It is an arithmetic number, because the mean of its divisors is an integer number (375802270200).

Almost surely, 2^{22201123110232} is an apocalyptic number.

22201123110232 is a gapful number since it is divisible by the number (22) 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 22201123110232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24051345292800).

22201123110232 is an abundant number, since it is smaller than the sum of its proper divisors (25901567475368).

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

22201123110232 is a wasteful number, since it uses less digits than its factorization.

22201123110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159217 (or 159213 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22201123110232 its reverse (23201132110222), we get a palindrome (45402255220454).

The spelling of 22201123110232 in words is "twenty-two trillion, two hundred one billion, one hundred twenty-three million, one hundred ten thousand, two hundred thirty-two".