111140423030 has 64 divisors (see below), whose sum is σ = 247200242688. Its totient is φ = 35033904000.

The previous prime is 111140423011. The next prime is 111140423033. The reversal of 111140423030 is 30324041111.

111140423030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111140422993 and 111140423011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140423033) 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 31 ways as a sum of consecutive naturals, for example, 14882 + ... + 471701.

It is an arithmetic number, because the mean of its divisors is an integer number (3862503792).

Almost surely, 2^111140423030 is an apocalyptic number.

111140423030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111140423030 is an abundant number, since it is smaller than the sum of its proper divisors (136059819658).

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

111140423030 is a wasteful number, since it uses less digits than its factorization.

111140423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486861.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111140423030 its reverse (30324041111), we get a palindrome (141464464141).

The spelling of 111140423030 in words is "one hundred eleven billion, one hundred forty million, four hundred twenty-three thousand, thirty".