111100000220220 has 192 divisors, whose sum is σ = 345369589931520. Its totient is φ = 26457524505600.

The previous prime is 111100000220219. The next prime is 111100000220233. The reversal of 111100000220220 is 22022000001111.

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 = 111100000220196 and 111100000220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29336011 + ... + 32905949.

It is an arithmetic number, because the mean of its divisors is an integer number (1798799947560).

Almost surely, 2^{111100000220220} is an apocalyptic number.

111100000220220 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 111100000220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172684794965760).

111100000220220 is an abundant number, since it is smaller than the sum of its proper divisors (234269589711300).

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

111100000220220 is a wasteful number, since it uses less digits than its factorization.

111100000220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570796 (or 3570794 counting only the distinct ones).

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

Adding to 111100000220220 its reverse (22022000001111), we get a palindrome (133122000221331).

The spelling of 111100000220220 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty thousand, two hundred twenty".