112212111112 has 8 divisors (see below), whose sum is σ = 210397708350. Its totient is φ = 56106055552.

The previous prime is 112212111049. The next prime is 112212111139. The reversal of 112212111112 is 211111212211.

It can be written as a sum of positive squares in only one way, i.e., 59318550916 + 52893560196 = 243554^2 + 229986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7013256937 + ... + 7013256952.

Almost surely, 2^112212111112 is an apocalyptic number.

It is an amenable number.

112212111112 is a deficient number, since it is larger than the sum of its proper divisors (98185597238).

112212111112 is a wasteful number, since it uses less digits than its factorization.

112212111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026513895 (or 14026513891 counting only the distinct ones).

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

Adding to 112212111112 its reverse (211111212211), we get a palindrome (323323323323).

The spelling of 112212111112 in words is "one hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred twelve".