111100131230 has 32 divisors (see below), whose sum is σ = 218491447680. Its totient is φ = 40338716320.

The previous prime is 111100131221. The next prime is 111100131239. The reversal of 111100131230 is 32131001111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111100131221) and next prime (111100131239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100131239) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 693824 + ... + 838803.

It is an arithmetic number, because the mean of its divisors is an integer number (6827857740).

Almost surely, 2^111100131230 is an apocalyptic number.

111100131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100131230 is a deficient number, since it is larger than the sum of its proper divisors (107391316450).

111100131230 is a wasteful number, since it uses less digits than its factorization.

111100131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533304.

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

Adding to 111100131230 its reverse (32131001111), we get a palindrome (143231132341).

The spelling of 111100131230 in words is "one hundred eleven billion, one hundred million, one hundred thirty-one thousand, two hundred thirty".