11111242242 has 8 divisors (see below), whose sum is σ = 22222484496. Its totient is φ = 3703747412.

The previous prime is 11111242217. The next prime is 11111242243. The reversal of 11111242242 is 24224211111.

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

11111242242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11111242243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 925936848 + ... + 925936859.

It is an arithmetic number, because the mean of its divisors is an integer number (2777810562).

Almost surely, 2^11111242242 is an apocalyptic number.

11111242242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111242242 is a wasteful number, since it uses less digits than its factorization.

11111242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851873712.

The product of its digits is 256, while the sum is 21.

Adding to 11111242242 its reverse (24224211111), we get a palindrome (35335453353).

The spelling of 11111242242 in words is "eleven billion, one hundred eleven million, two hundred forty-two thousand, two hundred forty-two".