111210120102222 has 48 divisors (see below), whose sum is σ = 241566636926160. Its totient is φ = 36976008681216.

The previous prime is 111210120102113. The next prime is 111210120102253. The reversal of 111210120102222 is 222201021012111.

111210120102222 is a `hidden beast` number, since 1 + 11 + 210 + 120 + 102 + 222 = 666.

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 = 111210120102195 and 111210120102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49222908 + ... + 51432624.

It is an arithmetic number, because the mean of its divisors is an integer number (5032638269295).

Almost surely, 2^{111210120102222} is an apocalyptic number.

111210120102222 is an abundant number, since it is smaller than the sum of its proper divisors (130356516823938).

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

111210120102222 is a wasteful number, since it uses less digits than its factorization.

111210120102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216817 (or 2216814 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111210120102222 its reverse (222201021012111), we get a palindrome (333411141114333).

The spelling of 111210120102222 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty million, one hundred two thousand, two hundred twenty-two".