112111210112 has 128 divisors (see below), whose sum is σ = 249334087680. Its totient is φ = 49775385600.

The previous prime is 112111210109. The next prime is 112111210117. The reversal of 112111210112 is 211012111211.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×112111210112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112111210117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40167437 + ... + 40170227.

It is an arithmetic number, because the mean of its divisors is an integer number (1947922560).

Almost surely, 2^112111210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112111210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124667043840).

112111210112 is an abundant number, since it is smaller than the sum of its proper divisors (137222877568).

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

112111210112 is a wasteful number, since it uses less digits than its factorization.

112111210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112111210112 its reverse (211012111211), we get a palindrome (323123321323).

It can be divided in two parts, 112111 and 210112, that added together give a palindrome (322223).

The spelling of 112111210112 in words is "one hundred twelve billion, one hundred eleven million, two hundred ten thousand, one hundred twelve".