111311110122 has 8 divisors (see below), whose sum is σ = 222622220256. Its totient is φ = 37103703372.

The previous prime is 111311110111. The next prime is 111311110123. The reversal of 111311110122 is 221011113111.

It is a sphenic number, since it is the product of 3 distinct primes.

111311110122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111311110123) 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 3 ways as a sum of consecutive naturals, for example, 9275925838 + ... + 9275925849.

It is an arithmetic number, because the mean of its divisors is an integer number (27827777532).

Almost surely, 2^111311110122 is an apocalyptic number.

111311110122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111311110122 is a wasteful number, since it uses less digits than its factorization.

111311110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18551851692.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 111311110122 its reverse (221011113111), we get a palindrome (332322223233).

It can be divided in two parts, 11131 and 1110122, that added together give a triangular number (1121253 = T₁₄₉₇).

The spelling of 111311110122 in words is "one hundred eleven billion, three hundred eleven million, one hundred ten thousand, one hundred twenty-two".