110021112 has 64 divisors (see below), whose sum is σ = 308484000. Its totient is φ = 36329472.

The previous prime is 110021111. The next prime is 110021113. The reversal of 110021112 is 211120011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110021111) and next prime (110021113).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110021094 and 110021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021111) 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, 21208 + ... + 25880.

Almost surely, 2^110021112 is an apocalyptic number.

110021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154242000).

110021112 is an abundant number, since it is smaller than the sum of its proper divisors (198462888).

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

110021112 is a wasteful number, since it uses less digits than its factorization.

110021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 110021112 is about 10489.0949085229. The cubic root of 110021112 is about 479.1726372169.

Adding to 110021112 its reverse (211120011), we get a palindrome (321141123).

The spelling of 110021112 in words is "one hundred ten million, twenty-one thousand, one hundred twelve".