111321231040140 has 384 divisors, whose sum is σ = 345116089221120. Its totient is φ = 26587355904000.

The previous prime is 111321231040049. The next prime is 111321231040157. The reversal of 111321231040140 is 41040132123111.

It is a self number, because there is not a number n which added to its sum of digits gives 111321231040140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8464842565 + ... + 8464855715.

It is an arithmetic number, because the mean of its divisors is an integer number (898739815680).

Almost surely, 2^{111321231040140} is an apocalyptic number.

111321231040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111321231040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172558044610560).

111321231040140 is an abundant number, since it is smaller than the sum of its proper divisors (233794858180980).

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

111321231040140 is a wasteful number, since it uses less digits than its factorization.

111321231040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013 (or 14011 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111321231040140 its reverse (41040132123111), we get a palindrome (152361363163251).

The spelling of 111321231040140 in words is "one hundred eleven trillion, three hundred twenty-one billion, two hundred thirty-one million, forty thousand, one hundred forty".