1111330042 has 4 divisors (see below), whose sum is σ = 1666995066. Its totient is φ = 555665020.

The previous prime is 1111329997. The next prime is 1111330049. The reversal of 1111330042 is 2400331111.

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., 710169201 + 401160841 = 26649^2 + 20029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111329998 and 1111330025.

It is not an unprimeable number, because it can be changed into a prime (1111330049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277832509 + ... + 277832512.

Almost surely, 2^1111330042 is an apocalyptic number.

1111330042 is a deficient number, since it is larger than the sum of its proper divisors (555665024).

1111330042 is an equidigital number, since it uses as much as digits as its factorization.

1111330042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555665023.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1111330042 is about 33336.6171349164. The cubic root of 1111330042 is about 1035.8121911013.

Adding to 1111330042 its reverse (2400331111), we get a palindrome (3511661153).

The spelling of 1111330042 in words is "one billion, one hundred eleven million, three hundred thirty thousand, forty-two".