1112111212112 has 10 divisors (see below), whose sum is σ = 2154715473498. Its totient is φ = 556055606048.

The previous prime is 1112111212097. The next prime is 1112111212213. The reversal of 1112111212112 is 2112121112111.

It can be written as a sum of positive squares in only one way, i.e., 565227297856 + 546883914256 = 751816^2 + 739516^2 .

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34753475363 + ... + 34753475394.

Almost surely, 2^{1112111212112} is an apocalyptic number.

It is an amenable number.

1112111212112 is a deficient number, since it is larger than the sum of its proper divisors (1042604261386).

1112111212112 is an equidigital number, since it uses as much as digits as its factorization.

1112111212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69506950765 (or 69506950759 counting only the distinct ones).

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

Adding to 1112111212112 its reverse (2112121112111), we get a palindrome (3224232324223).

The spelling of 1112111212112 in words is "one trillion, one hundred twelve billion, one hundred eleven million, two hundred twelve thousand, one hundred twelve".