111213445124340 has 144 divisors (see below), whose sum is σ = 367379246379600. Its totient is φ = 27068026005504.

The previous prime is 111213445124303. The next prime is 111213445124389. The reversal of 111213445124340 is 43421544312111.

111213445124340 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 134 + 4 + 512 + 4 + 3 + 4 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 32532216504804 + 78681228619536 = 5703702^2 + 8870244^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 111213445124295 and 111213445124304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266797995 + ... + 267214514.

It is an arithmetic number, because the mean of its divisors is an integer number (2551244766525).

Almost surely, 2^{111213445124340} is an apocalyptic number.

111213445124340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213445124340 is an abundant number, since it is smaller than the sum of its proper divisors (256165801255260).

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

111213445124340 is a wasteful number, since it uses less digits than its factorization.

111213445124340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534012626 (or 534012621 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 111213445124340 its reverse (43421544312111), we get a palindrome (154634989436451).

The spelling of 111213445124340 in words is "one hundred eleven trillion, two hundred thirteen billion, four hundred forty-five million, one hundred twenty-four thousand, three hundred forty".