112001210121112 has 128 divisors (see below), whose sum is σ = 231391563480000. Its totient is φ = 50510931222528.

The previous prime is 112001210121109. The next prime is 112001210121113. The reversal of 112001210121112 is 211121012100211.

It is a super-2 number, since 2×112001210121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001210121113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518903998 + ... + 519119794.

Almost surely, 2^{112001210121112} 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 112001210121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115695781740000).

112001210121112 is an abundant number, since it is smaller than the sum of its proper divisors (119390353358888).

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

112001210121112 is a wasteful number, since it uses less digits than its factorization.

112001210121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216525 (or 216521 counting only the distinct ones).

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

Adding to 112001210121112 its reverse (211121012100211), we get a palindrome (323122222221323).

The spelling of 112001210121112 in words is "one hundred twelve trillion, one billion, two hundred ten million, one hundred twenty-one thousand, one hundred twelve".