111042440402 has 8 divisors (see below), whose sum is σ = 166716334512. Its totient is φ = 55470328900.

The previous prime is 111042440381. The next prime is 111042440423. The reversal of 111042440402 is 204044240111.

It is an interprime number because it is at equal distance from previous prime (111042440381) and next prime (111042440423).

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

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 3 ways as a sum of consecutive naturals, for example, 25442924 + ... + 25447287.

It is an arithmetic number, because the mean of its divisors is an integer number (20839541814).

Almost surely, 2^111042440402 is an apocalyptic number.

111042440402 is a deficient number, since it is larger than the sum of its proper divisors (55673894110).

111042440402 is a wasteful number, since it uses less digits than its factorization.

111042440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50891304.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 111042440402 its reverse (204044240111), we get a palindrome (315086680513).

The spelling of 111042440402 in words is "one hundred eleven billion, forty-two million, four hundred forty thousand, four hundred two".