111010000220120 has 128 divisors (see below), whose sum is σ = 257130982967040. Its totient is φ = 43113324134400.

The previous prime is 111010000220113. The next prime is 111010000220183. The reversal of 111010000220120 is 21022000010111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4339196849 + ... + 4339222431.

It is an arithmetic number, because the mean of its divisors is an integer number (2008835804430).

Almost surely, 2^{111010000220120} is an apocalyptic number.

111010000220120 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 111010000220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128565491483520).

111010000220120 is an abundant number, since it is smaller than the sum of its proper divisors (146120982746920).

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

111010000220120 is a wasteful number, since it uses less digits than its factorization.

111010000220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46845 (or 46841 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111010000220120 its reverse (21022000010111), we get a palindrome (132032000230231).

The spelling of 111010000220120 in words is "one hundred eleven trillion, ten billion, two hundred twenty thousand, one hundred twenty".