110121021001020 has 48 divisors (see below), whose sum is σ = 324567219795840. Its totient is φ = 27820047410496.

The previous prime is 110121021001009. The next prime is 110121021001049. The reversal of 110121021001020 is 20100120121011.

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

It is a junction number, because it is equal to n+sod(n) for n = 110121021000987 and 110121021001005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48298692282 + ... + 48298694561.

It is an arithmetic number, because the mean of its divisors is an integer number (6761817079080).

Almost surely, 2^{110121021001020} is an apocalyptic number.

110121021001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121021001020 is an abundant number, since it is smaller than the sum of its proper divisors (214446198794820).

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

110121021001020 is a wasteful number, since it uses less digits than its factorization.

110121021001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96597386874 (or 96597386872 counting only the distinct ones).

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

Adding to 110121021001020 its reverse (20100120121011), we get a palindrome (130221141122031).

The spelling of 110121021001020 in words is "one hundred ten trillion, one hundred twenty-one billion, twenty-one million, one thousand, twenty".