100111717124 has 24 divisors (see below), whose sum is σ = 179355311520. Its totient is φ = 48868452864.

The previous prime is 100111717109. The next prime is 100111717183. The reversal of 100111717124 is 421717111001.

It is a junction number, because it is equal to n+sod(n) for n = 100111717093 and 100111717102.

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 7 ways as a sum of consecutive naturals, for example, 225707 + ... + 501165.

It is an arithmetic number, because the mean of its divisors is an integer number (7473137980).

Almost surely, 2^100111717124 is an apocalyptic number.

It is an amenable number.

100111717124 is a deficient number, since it is larger than the sum of its proper divisors (79243594396).

100111717124 is a wasteful number, since it uses less digits than its factorization.

100111717124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277619 (or 277617 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 26.

Adding to 100111717124 its reverse (421717111001), we get a palindrome (521828828125).

The spelling of 100111717124 in words is "one hundred billion, one hundred eleven million, seven hundred seventeen thousand, one hundred twenty-four".