1112112112211 has 16 divisors (see below), whose sum is σ = 1152508684800. Its totient is φ = 1072379232288.

The previous prime is 1112112112201. The next prime is 1112112112217. The reversal of 1112112112211 is 1122112112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112112112211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112112112211.

It is not an unprimeable number, because it can be changed into a prime (1112112112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53081240 + ... + 53102186.

It is an arithmetic number, because the mean of its divisors is an integer number (72031792800).

Almost surely, 2^{1112112112211} is an apocalyptic number.

1112112112211 is a deficient number, since it is larger than the sum of its proper divisors (40396572589).

1112112112211 is a wasteful number, since it uses less digits than its factorization.

1112112112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36698.

The product of its digits is 16, while the sum is 17.

Adding to 1112112112211 its reverse (1122112112111), we get a palindrome (2234224224322).

It can be divided in two parts, 11121121 and 12211, that multiplied together give a palindrome (135800008531).

The spelling of 1112112112211 in words is "one trillion, one hundred twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred eleven".