111222110002120 has 32 divisors (see below), whose sum is σ = 269499728083320. Its totient is φ = 41066625231360.

The previous prime is 111222110002117. The next prime is 111222110002121. The reversal of 111222110002120 is 21200011222111.

It can be written as a sum of positive squares in 4 ways, for example, as 50660998463716 + 60561111538404 = 7117654^2 + 7782102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111222110002094 and 111222110002103.

It is not an unprimeable number, because it can be changed into a prime (111222110002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106944336021 + ... + 106944337060.

Almost surely, 2^{111222110002120} is an apocalyptic number.

111222110002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222110002120 is an abundant number, since it is smaller than the sum of its proper divisors (158277618081200).

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

111222110002120 is a wasteful number, since it uses less digits than its factorization.

111222110002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213888673105 (or 213888673101 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111222110002120 its reverse (21200011222111), we get a palindrome (132422121224231).

The spelling of 111222110002120 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, two thousand, one hundred twenty".