221110201210112 has 72 divisors (see below), whose sum is σ = 452462226018432. Its totient is φ = 107777347891200.

The previous prime is 221110201210111. The next prime is 221110201210147. The reversal of 221110201210112 is 211012102011122.

221110201210112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110201210111) 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, 5990687 + ... + 21865697.

Almost surely, 2^{221110201210112} 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 221110201210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226231113009216).

221110201210112 is an abundant number, since it is smaller than the sum of its proper divisors (231352024808320).

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

221110201210112 is a wasteful number, since it uses less digits than its factorization.

221110201210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15876395 (or 15876381 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221110201210112 its reverse (211012102011122), we get a palindrome (432122303221234).

The spelling of 221110201210112 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred one million, two hundred ten thousand, one hundred twelve".