111112112222112 has 48 divisors (see below), whose sum is σ = 295777312834752. Its totient is φ = 36515717629440.

The previous prime is 111112112222101. The next prime is 111112112222119. The reversal of 111112112222112 is 211222211211111.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (111112112222119) 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, 8150823013 + ... + 8150836644.

It is an arithmetic number, because the mean of its divisors is an integer number (6162027350724).

Almost surely, 2^{111112112222112} is an apocalyptic number.

111112112222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111112112222112 is an abundant number, since it is smaller than the sum of its proper divisors (184665200612640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111112112222112 is a wasteful number, since it uses less digits than its factorization.

111112112222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16301659741 (or 16301659733 counting only the distinct ones).

The product of its digits is 64, while the sum is 21.

Adding to 111112112222112 its reverse (211222211211111), we get a palindrome (322334323433223).

It can be divided in two parts, 11111 and 2112222112, that multiplied together give a palindrome (23468899886432).

The spelling of 111112112222112 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".