112111211111 has 8 divisors (see below), whose sum is σ = 116246667264. Its totient is φ = 108008190360.

The previous prime is 112111211087. The next prime is 112111211117. The reversal of 112111211111 is 111112111211.

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

It is a cyclic number.

It is not a de Polignac number, because 112111211111 - 2¹⁸ = 112110948967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111211117) 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, 8101811 + ... + 8115636.

It is an arithmetic number, because the mean of its divisors is an integer number (14530833408).

Almost surely, 2^112111211111 is an apocalyptic number.

112111211111 is a deficient number, since it is larger than the sum of its proper divisors (4135456153).

112111211111 is a wasteful number, since it uses less digits than its factorization.

112111211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16217701.

The product of its digits is 4, while the sum is 14.

Adding to 112111211111 its reverse (111112111211), we get a palindrome (223223322322).

It can be divided in two parts, 112111211 and 111, that multiplied together give a palindrome (12444344421).

The spelling of 112111211111 in words is "one hundred twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred eleven".