11121004342 has 32 divisors (see below), whose sum is σ = 21248455680. Its totient is φ = 4249687680.

The previous prime is 11121004333. The next prime is 11121004357. The reversal of 11121004342 is 24340012111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225134 + ... + 1234177.

It is an arithmetic number, because the mean of its divisors is an integer number (664014240).

Almost surely, 2^11121004342 is an apocalyptic number.

11121004342 is a deficient number, since it is larger than the sum of its proper divisors (10127451338).

11121004342 is a wasteful number, since it uses less digits than its factorization.

11121004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459356.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11121004342 its reverse (24340012111), we get a palindrome (35461016453).

The spelling of 11121004342 in words is "eleven billion, one hundred twenty-one million, four thousand, three hundred forty-two".