11110123120 has 20 divisors (see below), whose sum is σ = 25831036440. Its totient is φ = 4444049216.

The previous prime is 11110123069. The next prime is 11110123181. The reversal of 11110123120 is 2132101111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11110123120.

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, 69438190 + ... + 69438349.

It is an arithmetic number, because the mean of its divisors is an integer number (1291551822).

Almost surely, 2^11110123120 is an apocalyptic number.

11110123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110123120 is an abundant number, since it is smaller than the sum of its proper divisors (14720913320).

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

11110123120 is a wasteful number, since it uses less digits than its factorization.

11110123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138876552 (or 138876546 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11110123120 its reverse (2132101111), we get a palindrome (13242224231).

The spelling of 11110123120 in words is "eleven billion, one hundred ten million, one hundred twenty-three thousand, one hundred twenty".