111442241213242 has 8 divisors (see below), whose sum is σ = 167659395535476. Its totient is φ = 55555776034752.

The previous prime is 111442241213209. The next prime is 111442241213267. The reversal of 111442241213242 is 242312142244111.

It can be written as a sum of positive squares in 2 ways, for example, as 111276949366521 + 165291846721 = 10548789^2 + 406561^2 .

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

It is a super-2 number, since 2×111442241213242² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111442241213198 and 111442241213207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82672285093 + ... + 82672286440.

Almost surely, 2^{111442241213242} is an apocalyptic number.

111442241213242 is a deficient number, since it is larger than the sum of its proper divisors (56217154322234).

111442241213242 is a wasteful number, since it uses less digits than its factorization.

111442241213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165344571872.

The product of its digits is 24576, while the sum is 34.

Adding to 111442241213242 its reverse (242312142244111), we get a palindrome (353754383457353).

The spelling of 111442241213242 in words is "one hundred eleven trillion, four hundred forty-two billion, two hundred forty-one million, two hundred thirteen thousand, two hundred forty-two".