221120110102112 has 96 divisors (see below), whose sum is σ = 473708275971840. Its totient is φ = 100995423736320.

The previous prime is 221120110102069. The next prime is 221120110102117. The reversal of 221120110102112 is 211201011021122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120110102117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11835323 + ... + 24131205.

It is an arithmetic number, because the mean of its divisors is an integer number (4934461208040).

Almost surely, 2^{221120110102112} 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 221120110102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236854137985920).

221120110102112 is an abundant number, since it is smaller than the sum of its proper divisors (252588165869728).

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

221120110102112 is a wasteful number, since it uses less digits than its factorization.

221120110102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296356 (or 12296348 counting only the distinct ones).

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

Adding to 221120110102112 its reverse (211201011021122), we get a palindrome (432321121123234).

The spelling of 221120110102112 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, one hundred two thousand, one hundred twelve".