111110221111120 has 960 divisors, whose sum is σ = 338189947172352. Its totient is φ = 33559142400000.

The previous prime is 111110221111069. The next prime is 111110221111121. The reversal of 111110221111120 is 21111122011111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111110221111094 and 111110221111103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110221111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 43555553845 + ... + 43555556395.

Almost surely, 2^{111110221111120} is an apocalyptic number.

111110221111120 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 111110221111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169094973586176).

111110221111120 is an abundant number, since it is smaller than the sum of its proper divisors (227079726061232).

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

111110221111120 is a wasteful number, since it uses less digits than its factorization.

111110221111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111110221111120 its reverse (21111122011111), we get a palindrome (132221343122231).

It can be divided in two parts, 1111102 and 21111120, that added together give a palindrome (22222222).

The spelling of 111110221111120 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty".