11112121111874 has 8 divisors (see below), whose sum is σ = 16707962532240. Its totient is φ = 5542800267796.

The previous prime is 11112121111873. The next prime is 11112121111907. The reversal of 11112121111874 is 47811112121111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11112121111874.

It is not an unprimeable number, because it can be changed into a prime (11112121111873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6630143024 + ... + 6630144699.

It is an arithmetic number, because the mean of its divisors is an integer number (2088495316530).

Almost surely, 2^{11112121111874} is an apocalyptic number.

11112121111874 is a deficient number, since it is larger than the sum of its proper divisors (5595841420366).

11112121111874 is a wasteful number, since it uses less digits than its factorization.

11112121111874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13260288144.

The product of its digits is 896, while the sum is 32.

Adding to 11112121111874 its reverse (47811112121111), we get a palindrome (58923233232985).

The spelling of 11112121111874 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, eight hundred seventy-four".