110020211220 has 96 divisors (see below), whose sum is σ = 314983339776. Its totient is φ = 28684800000.

The previous prime is 110020211183. The next prime is 110020211233. The reversal of 110020211220 is 22112020011.

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 = 110020211196 and 110020211205.

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 31 ways as a sum of consecutive naturals, for example, 521220 + ... + 701220.

It is an arithmetic number, because the mean of its divisors is an integer number (3281076456).

Almost surely, 2^110020211220 is an apocalyptic number.

110020211220 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 110020211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157491669888).

110020211220 is an abundant number, since it is smaller than the sum of its proper divisors (204963128556).

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

110020211220 is a wasteful number, since it uses less digits than its factorization.

110020211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180241 (or 180239 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110020211220 its reverse (22112020011), we get a palindrome (132132231231).

The spelling of 110020211220 in words is "one hundred ten billion, twenty million, two hundred eleven thousand, two hundred twenty".