111205043030 has 16 divisors (see below), whose sum is σ = 202150951344. Its totient is φ = 44041600800.

The previous prime is 111205043017. The next prime is 111205043039. The reversal of 111205043030 is 30340502111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111205042993 and 111205043011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111205043039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55050992 + ... + 55053011.

It is an arithmetic number, because the mean of its divisors is an integer number (12634434459).

Almost surely, 2^111205043030 is an apocalyptic number.

111205043030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111205043030 is a deficient number, since it is larger than the sum of its proper divisors (90945908314).

111205043030 is a wasteful number, since it uses less digits than its factorization.

111205043030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110104111.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 111205043030 its reverse (30340502111), we get a palindrome (141545545141).

The spelling of 111205043030 in words is "one hundred eleven billion, two hundred five million, forty-three thousand, thirty".