11042042242 has 64 divisors (see below), whose sum is σ = 21774412800. Its totient is φ = 4068636480.

The previous prime is 11042042237. The next prime is 11042042311. The reversal of 11042042242 is 24224024011.

It is a super-2 number, since 2×11042042242² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1878484 + ... + 1884352.

It is an arithmetic number, because the mean of its divisors is an integer number (340225200).

Almost surely, 2^11042042242 is an apocalyptic number.

11042042242 is a deficient number, since it is larger than the sum of its proper divisors (10732370558).

11042042242 is a wasteful number, since it uses less digits than its factorization.

11042042242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 11042042242 its reverse (24224024011), we get a palindrome (35266066253).

The spelling of 11042042242 in words is "eleven billion, forty-two million, forty-two thousand, two hundred forty-two".