111214243140 has 192 divisors, whose sum is σ = 418103562240. Its totient is φ = 21331791360.

The previous prime is 111214243139. The next prime is 111214243157. The reversal of 111214243140 is 41342412111.

It is a happy number.

111214243140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 111214243140.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 865800 + ... + 985919.

It is an arithmetic number, because the mean of its divisors is an integer number (2177622720).

Almost surely, 2^111214243140 is an apocalyptic number.

111214243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111214243140 is an abundant number, since it is smaller than the sum of its proper divisors (306889319100).

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

111214243140 is a wasteful number, since it uses less digits than its factorization.

111214243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851762 (or 1851760 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111214243140 its reverse (41342412111), we get a palindrome (152556655251).

The spelling of 111214243140 in words is "one hundred eleven billion, two hundred fourteen million, two hundred forty-three thousand, one hundred forty".