111240021434140 has 48 divisors (see below), whose sum is σ = 233795206576512. Its totient is φ = 44459599320576.

The previous prime is 111240021434111. The next prime is 111240021434147. The reversal of 111240021434140 is 41434120042111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111240021434099 and 111240021434108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111240021434147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961701949 + ... + 961817611.

It is an arithmetic number, because the mean of its divisors is an integer number (4870733470344).

Almost surely, 2^{111240021434140} is an apocalyptic number.

111240021434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111240021434140 is an abundant number, since it is smaller than the sum of its proper divisors (122555185142372).

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

111240021434140 is a wasteful number, since it uses less digits than its factorization.

111240021434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154606 (or 154604 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 111240021434140 its reverse (41434120042111), we get a palindrome (152674141476251).

The spelling of 111240021434140 in words is "one hundred eleven trillion, two hundred forty billion, twenty-one million, four hundred thirty-four thousand, one hundred forty".