111112120011 has 8 divisors (see below), whose sum is σ = 148202471824. Its totient is φ = 74048257440.

The previous prime is 111112120001. The next prime is 111112120039. The reversal of 111112120011 is 110021211111.

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

It is not a de Polignac number, because 111112120011 - 2¹⁸ = 111111857867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112120001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6612520 + ... + 6629301.

It is an arithmetic number, because the mean of its divisors is an integer number (18525308978).

Almost surely, 2^111112120011 is an apocalyptic number.

111112120011 is a deficient number, since it is larger than the sum of its proper divisors (37090351813).

111112120011 is a wasteful number, since it uses less digits than its factorization.

111112120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244621.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111112120011 its reverse (110021211111), we get a palindrome (221133331122).

The spelling of 111112120011 in words is "one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, eleven".