111120100220200 has 96 divisors (see below), whose sum is σ = 267268515874200. Its totient is φ = 42914463298560.

The previous prime is 111120100220191. The next prime is 111120100220279. The reversal of 111120100220200 is 2022001021111.

It can be written as a sum of positive squares in 12 ways, for example, as 11465361690916 + 99654738529284 = 3386054^2 + 9982722^2 .

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 23 ways as a sum of consecutive naturals, for example, 327721954 + ... + 328060846.

Almost surely, 2^{111120100220200} is an apocalyptic number.

111120100220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120100220200 is an abundant number, since it is smaller than the sum of its proper divisors (156148415654000).

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

111120100220200 is a wasteful number, since it uses less digits than its factorization.

111120100220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395471 (or 395462 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111120100220200 its reverse (2022001021111), we get a palindrome (113142101241311).

The spelling of 111120100220200 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred million, two hundred twenty thousand, two hundred".