111443200042 has 8 divisors (see below), whose sum is σ = 167189428836. Its totient is φ = 55713390432.

The previous prime is 111443200027. The next prime is 111443200049. The reversal of 111443200042 is 240002344111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111421772401 + 21427641 = 333799^2 + 4629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111443199986 and 111443200022.

It is not an unprimeable number, because it can be changed into a prime (111443200049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4087813 + ... + 4114984.

Almost surely, 2^111443200042 is an apocalyptic number.

111443200042 is a deficient number, since it is larger than the sum of its proper divisors (55746228794).

111443200042 is an equidigital number, since it uses as much as digits as its factorization.

111443200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209592.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 111443200042 its reverse (240002344111), we get a palindrome (351445544153).

The spelling of 111443200042 in words is "one hundred eleven billion, four hundred forty-three million, two hundred thousand, forty-two".