111312120014 has 8 divisors (see below), whose sum is σ = 172725703560. Its totient is φ = 53736885496.

The previous prime is 111312119999. The next prime is 111312120071. The reversal of 111312120014 is 410021213111.

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

It is a super-2 number, since 2×111312120014² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111312119974 and 111312120001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959587184 + ... + 959587299.

It is an arithmetic number, because the mean of its divisors is an integer number (21590712945).

Almost surely, 2^111312120014 is an apocalyptic number.

111312120014 is a deficient number, since it is larger than the sum of its proper divisors (61413583546).

111312120014 is a wasteful number, since it uses less digits than its factorization.

111312120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919174514.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111312120014 its reverse (410021213111), we get a palindrome (521333333125).

The spelling of 111312120014 in words is "one hundred eleven billion, three hundred twelve million, one hundred twenty thousand, fourteen".