111001021222120 has 32 divisors (see below), whose sum is σ = 249806345406120. Its totient is φ = 44390800016640.

The previous prime is 111001021222057. The next prime is 111001021222123. The reversal of 111001021222120 is 21222120100111.

111001021222120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 104156843187076 + 6844178035044 = 10205726^2 + 2616138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111001021222094 and 111001021222103.

It is not an unprimeable number, because it can be changed into a prime (111001021222123) 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, 300077607 + ... + 300447286.

Almost surely, 2^{111001021222120} is an apocalyptic number.

111001021222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001021222120 is an abundant number, since it is smaller than the sum of its proper divisors (138805324184000).

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

111001021222120 is a wasteful number, since it uses less digits than its factorization.

111001021222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600529525 (or 600529521 counting only the distinct ones).

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

Adding to 111001021222120 its reverse (21222120100111), we get a palindrome (132223141322231).

The spelling of 111001021222120 in words is "one hundred eleven trillion, one billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty".