111234040043121 has 12 divisors (see below), whose sum is σ = 160965123157072. Its totient is φ = 74020458087576.

The previous prime is 111234040043111. The next prime is 111234040043143. The reversal of 111234040043121 is 121340040432111.

It is a happy number.

111234040043121 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 340 + 4 + 0 + 0 + 4 + 312 + 1 = 666.

It is not a de Polignac number, because 111234040043121 - 2⁶ = 111234040043057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111234040043101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11297378791 + ... + 11297388636.

Almost surely, 2^{111234040043121} is an apocalyptic number.

It is an amenable number.

111234040043121 is a deficient number, since it is larger than the sum of its proper divisors (49731083113951).

111234040043121 is a wasteful number, since it uses less digits than its factorization.

111234040043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22594767980 (or 22594767977 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 111234040043121 its reverse (121340040432111), we get a palindrome (232574080475232).

The spelling of 111234040043121 in words is "one hundred eleven trillion, two hundred thirty-four billion, forty million, forty-three thousand, one hundred twenty-one".