111210120102220 has 24 divisors (see below), whose sum is σ = 243695219703264. Its totient is φ = 42549958995456.

The previous prime is 111210120102113. The next prime is 111210120102253. The reversal of 111210120102220 is 22201021012111.

It is a junction number, because it is equal to n+sod(n) for n = 111210120102194 and 111210120102203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120880564869 + ... + 120880565788.

It is an arithmetic number, because the mean of its divisors is an integer number (10153967487636).

Almost surely, 2^{111210120102220} is an apocalyptic number.

111210120102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210120102220 is an abundant number, since it is smaller than the sum of its proper divisors (132485099601044).

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

111210120102220 is a wasteful number, since it uses less digits than its factorization.

111210120102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241761130689 (or 241761130687 counting only the distinct ones).

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

Adding to 111210120102220 its reverse (22201021012111), we get a palindrome (133411141114331).

The spelling of 111210120102220 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty million, one hundred two thousand, two hundred twenty".