111002021220112 has 80 divisors (see below), whose sum is σ = 236840731044480. Its totient is φ = 49979331072000.

The previous prime is 111002021220029. The next prime is 111002021220131. The reversal of 111002021220112 is 211022120200111.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 3465214 + ... + 15297442.

It is an arithmetic number, because the mean of its divisors is an integer number (2960509138056).

Almost surely, 2^{111002021220112} 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 111002021220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118420365522240).

111002021220112 is an abundant number, since it is smaller than the sum of its proper divisors (125838709824368).

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

111002021220112 is a wasteful number, since it uses less digits than its factorization.

111002021220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11832752 (or 11832746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111002021220112 its reverse (211022120200111), we get a palindrome (322024141420223).

The spelling of 111002021220112 in words is "one hundred eleven trillion, two billion, twenty-one million, two hundred twenty thousand, one hundred twelve".