1112112111 has 16 divisors (see below), whose sum is σ = 1633638528. Its totient is φ = 667332000.

The previous prime is 1112112107. The next prime is 1112112179.

1112112111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1112112111 - 2² = 1112112107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112112101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163501 + ... + 170166.

It is an arithmetic number, because the mean of its divisors is an integer number (102102408).

Almost surely, 2^1112112111 is an apocalyptic number.

1112112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112112111 is a deficient number, since it is larger than the sum of its proper divisors (521526417).

1112112111 is a wasteful number, since it uses less digits than its factorization.

1112112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333782.

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

The square root of 1112112111 is about 33348.3449514365. The cubic root of 1112112111 is about 1036.0551092338.

It can be divided in two parts, 11121 and 12111, that multiplied together give a palindrome (134686431).

The spelling of 1112112111 in words is "one billion, one hundred twelve million, one hundred twelve thousand, one hundred eleven".