220101121110 has 128 divisors (see below), whose sum is σ = 571544709120. Its totient is φ = 53925221376.

The previous prime is 220101121063. The next prime is 220101121151. The reversal of 220101121110 is 11121101022.

220101121110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 161009647 + ... + 161011013.

It is an arithmetic number, because the mean of its divisors is an integer number (4465193040).

Almost surely, 2^220101121110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220101121110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285772354560).

220101121110 is an abundant number, since it is smaller than the sum of its proper divisors (351443588010).

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

220101121110 is a wasteful number, since it uses less digits than its factorization.

220101121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022.

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

Adding to 220101121110 its reverse (11121101022), we get a palindrome (231222222132).

The spelling of 220101121110 in words is "two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, one hundred ten".