111112310122 has 16 divisors (see below), whose sum is σ = 181826013600. Its totient is φ = 50503965040.

The previous prime is 111112310117. The next prime is 111112310123. The reversal of 111112310122 is 221013211111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111112310096 and 111112310105.

It is not an unprimeable number, because it can be changed into a prime (111112310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854004 + ... + 975472.

It is an arithmetic number, because the mean of its divisors is an integer number (11364125850).

Almost surely, 2^111112310122 is an apocalyptic number.

111112310122 is a deficient number, since it is larger than the sum of its proper divisors (70713703478).

111112310122 is a wasteful number, since it uses less digits than its factorization.

111112310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163061.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111112310122 its reverse (221013211111), we get a palindrome (332125521233).

The spelling of 111112310122 in words is "one hundred eleven billion, one hundred twelve million, three hundred ten thousand, one hundred twenty-two".