111102331122 has 96 divisors (see below), whose sum is σ = 252536356800. Its totient is φ = 35264916864.

The previous prime is 111102331117. The next prime is 111102331163. The reversal of 111102331122 is 221133201111.

111102331122 is a `hidden beast` number, since 111 + 102 + 331 + 122 = 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 = 111102331095 and 111102331104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8992153 + ... + 9004499.

It is an arithmetic number, because the mean of its divisors is an integer number (2630587050).

Almost surely, 2^111102331122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111102331122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126268178400).

111102331122 is an abundant number, since it is smaller than the sum of its proper divisors (141434025678).

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

111102331122 is a wasteful number, since it uses less digits than its factorization.

111102331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12680 (or 12677 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111102331122 its reverse (221133201111), we get a palindrome (332235532233).

The spelling of 111102331122 in words is "one hundred eleven billion, one hundred two million, three hundred thirty-one thousand, one hundred twenty-two".