22231100112 has 80 divisors (see below), whose sum is σ = 61999990080. Its totient is φ = 6823535616.

The previous prime is 22231100093. The next prime is 22231100201. The reversal of 22231100112 is 21100113222.

It is a junction number, because it is equal to n+sod(n) for n = 22231100091 and 22231100100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211663 + ... + 298769.

It is an arithmetic number, because the mean of its divisors is an integer number (774999876).

Almost surely, 2^22231100112 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 22231100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30999995040).

22231100112 is an abundant number, since it is smaller than the sum of its proper divisors (39768889968).

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

22231100112 is a wasteful number, since it uses less digits than its factorization.

22231100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87540 (or 87534 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22231100112 its reverse (21100113222), we get a palindrome (43331213334).

The spelling of 22231100112 in words is "twenty-two billion, two hundred thirty-one million, one hundred thousand, one hundred twelve".