111311124124 has 12 divisors (see below), whose sum is σ = 195062415184. Its totient is φ = 55579005504.

The previous prime is 111311124107. The next prime is 111311124137. The reversal of 111311124124 is 421421113111.

It is a junction number, because it is equal to n+sod(n) for n = 111311124095 and 111311124104.

It is a congruent number.

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, 19135869 + ... + 19141684.

Almost surely, 2^111311124124 is an apocalyptic number.

It is an amenable number.

111311124124 is a deficient number, since it is larger than the sum of its proper divisors (83751291060).

111311124124 is a wasteful number, since it uses less digits than its factorization.

111311124124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38278284 (or 38278282 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

Adding to 111311124124 its reverse (421421113111), we get a palindrome (532732237235).

The spelling of 111311124124 in words is "one hundred eleven billion, three hundred eleven million, one hundred twenty-four thousand, one hundred twenty-four".