111120211021122 has 48 divisors (see below), whose sum is σ = 243262359483000. Its totient is φ = 36655982134272.

The previous prime is 111120211021087. The next prime is 111120211021151. The reversal of 111120211021122 is 221120112021111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109306585890441 + 1813625130681 = 10454979^2 + 1346709^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111120211021095 and 111120211021104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32532847 + ... + 35785842.

Almost surely, 2^{111120211021122} is an apocalyptic number.

111120211021122 is an abundant number, since it is smaller than the sum of its proper divisors (132142148461878).

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

111120211021122 is a wasteful number, since it uses less digits than its factorization.

111120211021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68319635 (or 68319632 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111120211021122 its reverse (221120112021111), we get a palindrome (332240323042233).

The spelling of 111120211021122 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred twenty-two".