11121041242 has 8 divisors (see below), whose sum is σ = 16766240436. Its totient is φ = 5532294432.

The previous prime is 11121041231. The next prime is 11121041257. The reversal of 11121041242 is 24214012111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6543030321 + 4578010921 = 80889^2 + 67661^2 .

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

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, 14112603 + ... + 14113390.

Almost surely, 2^11121041242 is an apocalyptic number.

11121041242 is a deficient number, since it is larger than the sum of its proper divisors (5645199194).

11121041242 is a wasteful number, since it uses less digits than its factorization.

11121041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28226192.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11121041242 its reverse (24214012111), we get a palindrome (35335053353).

The spelling of 11121041242 in words is "eleven billion, one hundred twenty-one million, forty-one thousand, two hundred forty-two".