22100021201112 has 32 divisors (see below), whose sum is σ = 55766408644800. Its totient is φ = 7297826314784.

The previous prime is 22100021201099. The next prime is 22100021201113. The reversal of 22100021201112 is 21110212000122.

It is a junction number, because it is equal to n+sod(n) for n = 22100021201091 and 22100021201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100021201113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302961062 + ... + 4302966197.

It is an arithmetic number, because the mean of its divisors is an integer number (1742700270150).

Almost surely, 2^{22100021201112} is an apocalyptic number.

It is an amenable number.

22100021201112 is an abundant number, since it is smaller than the sum of its proper divisors (33666387443688).

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

22100021201112 is a wasteful number, since it uses less digits than its factorization.

22100021201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605927375 (or 8605927371 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22100021201112 its reverse (21110212000122), we get a palindrome (43210233201234).

The spelling of 22100021201112 in words is "twenty-two trillion, one hundred billion, twenty-one million, two hundred one thousand, one hundred twelve".