110021003120 has 80 divisors (see below), whose sum is σ = 292774350528. Its totient is φ = 37665638400.

The previous prime is 110021003111. The next prime is 110021003159. The reversal of 110021003120 is 21300120011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×110021003120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 234020 + ... + 524220.

Almost surely, 2^110021003120 is an apocalyptic number.

110021003120 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 110021003120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146387175264).

110021003120 is an abundant number, since it is smaller than the sum of its proper divisors (182753347408).

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

110021003120 is a wasteful number, since it uses less digits than its factorization.

110021003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290898 (or 290892 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 110021003120 its reverse (21300120011), we get a palindrome (131321123131).

The spelling of 110021003120 in words is "one hundred ten billion, twenty-one million, three thousand, one hundred twenty".