111320130242 has 4 divisors (see below), whose sum is σ = 166980195366. Its totient is φ = 55660065120.

The previous prime is 111320130217. The next prime is 111320130247. The reversal of 111320130242 is 242031023111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108927061681 + 2393068561 = 330041^2 + 48919^2 .

It is not an unprimeable number, because it can be changed into a prime (111320130247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830032559 + ... + 27830032562.

Almost surely, 2^111320130242 is an apocalyptic number.

111320130242 is a deficient number, since it is larger than the sum of its proper divisors (55660065124).

111320130242 is an equidigital number, since it uses as much as digits as its factorization.

111320130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660065123.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111320130242 its reverse (242031023111), we get a palindrome (353351153353).

The spelling of 111320130242 in words is "one hundred eleven billion, three hundred twenty million, one hundred thirty thousand, two hundred forty-two".