111231141330 has 32 divisors (see below), whose sum is σ = 266982308928. Its totient is φ = 29658574400.

The previous prime is 111231141311. The next prime is 111231141361. The reversal of 111231141330 is 33141132111.

It is a junction number, because it is equal to n+sod(n) for n = 111231141297 and 111231141306.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111745 + ... + 484715.

It is an arithmetic number, because the mean of its divisors is an integer number (8343197154).

Almost surely, 2^111231141330 is an apocalyptic number.

111231141330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111231141330 is an abundant number, since it is smaller than the sum of its proper divisors (155751167598).

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

111231141330 is a wasteful number, since it uses less digits than its factorization.

111231141330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382922.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111231141330 its reverse (33141132111), we get a palindrome (144372273441).

The spelling of 111231141330 in words is "one hundred eleven billion, two hundred thirty-one million, one hundred forty-one thousand, three hundred thirty".