112111001111 has 8 divisors (see below), whose sum is σ = 112921817184. Its totient is φ = 111301084800.

The previous prime is 112111001087. The next prime is 112111001113. The reversal of 112111001111 is 111100111211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112111001111 is a prime.

It is a super-2 number, since 2×112111001111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112111001092 and 112111001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111001113) 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, 26171 + ... + 474243.

It is an arithmetic number, because the mean of its divisors is an integer number (14115227148).

Almost surely, 2^112111001111 is an apocalyptic number.

112111001111 is a deficient number, since it is larger than the sum of its proper divisors (810816073).

112111001111 is a wasteful number, since it uses less digits than its factorization.

112111001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449881.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 112111001111 its reverse (111100111211), we get a palindrome (223211112322).

The spelling of 112111001111 in words is "one hundred twelve billion, one hundred eleven million, one thousand, one hundred eleven".