11111103124 has 12 divisors (see below), whose sum is σ = 21212106048. Its totient is φ = 5050501400.

The previous prime is 11111103089. The next prime is 11111103203. The reversal of 11111103124 is 42130111111.

11111103124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11111103124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111103098 and 11111103107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126262492 + ... + 126262579.

It is an arithmetic number, because the mean of its divisors is an integer number (1767675504).

Almost surely, 2^11111103124 is an apocalyptic number.

It is an amenable number.

11111103124 is a deficient number, since it is larger than the sum of its proper divisors (10101002924).

11111103124 is a wasteful number, since it uses less digits than its factorization.

11111103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252525086 (or 252525084 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11111103124 its reverse (42130111111), we get a palindrome (53241214235).

The spelling of 11111103124 in words is "eleven billion, one hundred eleven million, one hundred three thousand, one hundred twenty-four".