110121110220 has 240 divisors, whose sum is σ = 344417149440. Its totient is φ = 26283523200.

The previous prime is 110121110219. The next prime is 110121110237. The reversal of 110121110220 is 22011121011.

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 = 110121110196 and 110121110205.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 58855885 + ... + 58857755.

It is an arithmetic number, because the mean of its divisors is an integer number (1435071456).

Almost surely, 2^110121110220 is an apocalyptic number.

110121110220 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 110121110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172208574720).

110121110220 is an abundant number, since it is smaller than the sum of its proper divisors (234296039220).

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

110121110220 is a wasteful number, since it uses less digits than its factorization.

110121110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1959 counting only the distinct ones).

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

Adding to 110121110220 its reverse (22011121011), we get a palindrome (132132231231).

The spelling of 110121110220 in words is "one hundred ten billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty".