111313012133218 has 32 divisors (see below), whose sum is σ = 196982871763968. Its totient is φ = 46165513550400.

The previous prime is 111313012133209. The next prime is 111313012133237. The reversal of 111313012133218 is 812331210313111.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 111313012133218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13938196 + ... + 20418112.

It is an arithmetic number, because the mean of its divisors is an integer number (6155714742624).

Almost surely, 2^{111313012133218} is an apocalyptic number.

111313012133218 is a deficient number, since it is larger than the sum of its proper divisors (85669859630750).

111313012133218 is a wasteful number, since it uses less digits than its factorization.

111313012133218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519538.

The product of its (nonzero) digits is 2592, while the sum is 31.

Adding to 111313012133218 its reverse (812331210313111), we get a palindrome (923644222446329).

The spelling of 111313012133218 in words is "one hundred eleven trillion, three hundred thirteen billion, twelve million, one hundred thirty-three thousand, two hundred eighteen".