111100123130 has 8 divisors (see below), whose sum is σ = 199980221652. Its totient is φ = 44440049248.

The previous prime is 111100123097. The next prime is 111100123153. The reversal of 111100123130 is 31321001111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109217691361 + 1882431769 = 330481^2 + 43387^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555006147 + ... + 5555006166.

Almost surely, 2^111100123130 is an apocalyptic number.

111100123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100123130 is a deficient number, since it is larger than the sum of its proper divisors (88880098522).

111100123130 is a wasteful number, since it uses less digits than its factorization.

111100123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110012320.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111100123130 its reverse (31321001111), we get a palindrome (142421124241).

The spelling of 111100123130 in words is "one hundred eleven billion, one hundred million, one hundred twenty-three thousand, one hundred thirty".