111301213123120 has 20 divisors (see below), whose sum is σ = 258775320511440. Its totient is φ = 44520485249216.

The previous prime is 111301213123117. The next prime is 111301213123147. The reversal of 111301213123120 is 21321312103111.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 111301213123091 and 111301213123100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695632581940 + ... + 695632582099.

It is an arithmetic number, because the mean of its divisors is an integer number (12938766025572).

Almost surely, 2^{111301213123120} is an apocalyptic number.

111301213123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111301213123120 is an abundant number, since it is smaller than the sum of its proper divisors (147474107388320).

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

111301213123120 is a wasteful number, since it uses less digits than its factorization.

111301213123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391265164052 (or 1391265164046 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 111301213123120 its reverse (21321312103111), we get a palindrome (132622525226231).

The spelling of 111301213123120 in words is "one hundred eleven trillion, three hundred one billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred twenty".