111011121318 has 16 divisors (see below), whose sum is σ = 222032146176. Its totient is φ = 37002056520.

The previous prime is 111011121317. The next prime is 111011121341. The reversal of 111011121318 is 813121110111.

It is a junction number, because it is equal to n+sod(n) for n = 111011121294 and 111011121303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011121317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262738 + ... + 539493.

It is an arithmetic number, because the mean of its divisors is an integer number (13877009136).

Almost surely, 2^111011121318 is an apocalyptic number.

111011121318 is an abundant number, since it is smaller than the sum of its proper divisors (111021024858).

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

111011121318 is a wasteful number, since it uses less digits than its factorization.

111011121318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825299.

The product of its (nonzero) digits is 48, while the sum is 21.

Adding to 111011121318 its reverse (813121110111), we get a palindrome (924132231429).

The spelling of 111011121318 in words is "one hundred eleven billion, eleven million, one hundred twenty-one thousand, three hundred eighteen".