111131123030030 has 32 divisors (see below), whose sum is σ = 202873450590720. Its totient is φ = 43822032987040.

The previous prime is 111131123029987. The next prime is 111131123030041. The reversal of 111131123030030 is 30030321131111.

It is a junction number, because it is equal to n+sod(n) for n = 111131123029984 and 111131123030011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520154 + ... + 14917533.

It is an arithmetic number, because the mean of its divisors is an integer number (6339795330960).

Almost surely, 2^{111131123030030} is an apocalyptic number.

111131123030030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111131123030030 is a deficient number, since it is larger than the sum of its proper divisors (91742327560690).

111131123030030 is a wasteful number, since it uses less digits than its factorization.

111131123030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447904.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111131123030030 its reverse (30030321131111), we get a palindrome (141161444161141).

The spelling of 111131123030030 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred twenty-three million, thirty thousand, thirty".