110112212021112 has 448 divisors, whose sum is σ = 362701881077760. Its totient is φ = 30667632652800.

The previous prime is 110112212021111. The next prime is 110112212021171. The reversal of 110112212021112 is 211120212211011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112212021111) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2047010937 + ... + 2047064727.

It is an arithmetic number, because the mean of its divisors is an integer number (809602413120).

Almost surely, 2^{110112212021112} is an apocalyptic number.

110112212021112 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 110112212021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181350940538880).

110112212021112 is an abundant number, since it is smaller than the sum of its proper divisors (252589669056648).

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

110112212021112 is a wasteful number, since it uses less digits than its factorization.

110112212021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55086 (or 55067 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 110112212021112 its reverse (211120212211011), we get a palindrome (321232424232123).

The spelling of 110112212021112 in words is "one hundred ten trillion, one hundred twelve billion, two hundred twelve million, twenty-one thousand, one hundred twelve".