1113421113242 has 8 divisors (see below), whose sum is σ = 1673130112596. Its totient is φ = 555711075712.

The previous prime is 1113421113187. The next prime is 1113421113247. The reversal of 1113421113242 is 2423111243111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 937122738601 + 176298374641 = 968051^2 + 419879^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1113421113247) 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, 499739063 + ... + 499741290.

Almost surely, 2^{1113421113242} is an apocalyptic number.

1113421113242 is a deficient number, since it is larger than the sum of its proper divisors (559708999354).

1113421113242 is an equidigital number, since it uses as much as digits as its factorization.

1113421113242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999480912.

The product of its digits is 1152, while the sum is 26.

Adding to 1113421113242 its reverse (2423111243111), we get a palindrome (3536532356353).

The spelling of 1113421113242 in words is "one trillion, one hundred thirteen billion, four hundred twenty-one million, one hundred thirteen thousand, two hundred forty-two".