112211212112112 has 20 divisors (see below), whose sum is σ = 289878964623080. Its totient is φ = 37403737370688.

The previous prime is 112211212112101. The next prime is 112211212112173. The reversal of 112211212112112 is 211211212112211.

It is a super-2 number, since 2×112211212112112² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168866792787 + ... + 1168866792882.

It is an arithmetic number, because the mean of its divisors is an integer number (14493948231154).

Almost surely, 2^{112211212112112} is an apocalyptic number.

112211212112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112211212112112 is an abundant number, since it is smaller than the sum of its proper divisors (177667752510968).

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

112211212112112 is a wasteful number, since it uses less digits than its factorization.

112211212112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337733585680 (or 2337733585674 counting only the distinct ones).

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

Adding to 112211212112112 its reverse (211211212112211), we get a palindrome (323422424224323).

Subtracting 112211212112112 from its reverse (211211212112211), we obtain a palindrome (99000000000099).

The spelling of 112211212112112 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twelve million, one hundred twelve thousand, one hundred twelve".