110121221110120 has 128 divisors (see below), whose sum is σ = 271835285904000. Its totient is φ = 39816338918400.

The previous prime is 110121221110091. The next prime is 110121221110171. The reversal of 110121221110120 is 21011122121011.

It is a junction number, because it is equal to n+sod(n) for n = 110121221110094 and 110121221110103.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 501542602 + ... + 501762118.

It is an arithmetic number, because the mean of its divisors is an integer number (2123713171125).

Almost surely, 2^{110121221110120} is an apocalyptic number.

110121221110120 is a gapful number since it is divisible by the number (10) 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 110121221110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135917642952000).

110121221110120 is an abundant number, since it is smaller than the sum of its proper divisors (161714064793880).

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

110121221110120 is a wasteful number, since it uses less digits than its factorization.

110121221110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226019 (or 226015 counting only the distinct ones).

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

Adding to 110121221110120 its reverse (21011122121011), we get a palindrome (131132343231131).

The spelling of 110121221110120 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty".