4011112111 has 8 divisors (see below), whose sum is σ = 4109578704. Its totient is φ = 3912881280.

The previous prime is 4011112099. The next prime is 4011112213. The reversal of 4011112111 is 1112111104.

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 4011112111 - 2²¹ = 4009014959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4011112091 and 4011112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011110111) 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, 24250 + ... + 92791.

It is an arithmetic number, because the mean of its divisors is an integer number (513697338).

Almost surely, 2^4011112111 is an apocalyptic number.

4011112111 is a deficient number, since it is larger than the sum of its proper divisors (98466593).

4011112111 is a wasteful number, since it uses less digits than its factorization.

4011112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117881.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 4011112111 is about 63333.3412271925. The cubic root of 4011112111 is about 1588.8696409372.

Adding to 4011112111 its reverse (1112111104), we get a palindrome (5123223215).

The spelling of 4011112111 in words is "four billion, eleven million, one hundred twelve thousand, one hundred eleven".