110121221120020 has 48 divisors (see below), whose sum is σ = 259096022978688. Its totient is φ = 38961807960960.

The previous prime is 110121221119981. The next prime is 110121221120023. The reversal of 110121221120020 is 20021122121011.

It is a junction number, because it is equal to n+sod(n) for n = 110121221119976 and 110121221120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121221120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6764194632 + ... + 6764210911.

It is an arithmetic number, because the mean of its divisors is an integer number (5397833812056).

Almost surely, 2^{110121221120020} is an apocalyptic number.

110121221120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121221120020 is an abundant number, since it is smaller than the sum of its proper divisors (148974801858668).

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

110121221120020 is a wasteful number, since it uses less digits than its factorization.

110121221120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13528405600 (or 13528405598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110121221120020 its reverse (20021122121011), we get a palindrome (130142343241031).

The spelling of 110121221120020 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, twenty".