110121020112 has 40 divisors (see below), whose sum is σ = 289300992480. Its totient is φ = 36084853120.

The previous prime is 110121020111. The next prime is 110121020131. The reversal of 110121020112 is 211020121011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19439439 + ... + 19445102.

It is an arithmetic number, because the mean of its divisors is an integer number (7232524812).

Almost surely, 2^110121020112 is an apocalyptic number.

110121020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110121020112 is an abundant number, since it is smaller than the sum of its proper divisors (179179972368).

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

110121020112 is a wasteful number, since it uses less digits than its factorization.

110121020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38884611 (or 38884605 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110121020112 its reverse (211020121011), we get a palindrome (321141141123).

The spelling of 110121020112 in words is "one hundred ten billion, one hundred twenty-one million, twenty thousand, one hundred twelve".