111225404142 has 24 divisors (see below), whose sum is σ = 241138213680. Its totient is φ = 37052082720.

The previous prime is 111225404123. The next prime is 111225404149. The reversal of 111225404142 is 241404522111.

111225404142 is a `hidden beast` number, since 1 + 112 + 2 + 5 + 404 + 142 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111225404149) 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, 1891234 + ... + 1949157.

It is an arithmetic number, because the mean of its divisors is an integer number (10047425570).

Almost surely, 2^111225404142 is an apocalyptic number.

111225404142 is an abundant number, since it is smaller than the sum of its proper divisors (129912809538).

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

111225404142 is a wasteful number, since it uses less digits than its factorization.

111225404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842008 (or 3842005 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 111225404142 its reverse (241404522111), we get a palindrome (352629926253).

The spelling of 111225404142 in words is "one hundred eleven billion, two hundred twenty-five million, four hundred four thousand, one hundred forty-two".