210112201121112 has 128 divisors (see below), whose sum is σ = 590972457600000. Its totient is φ = 69158950381440.

The previous prime is 210112201121101. The next prime is 210112201121177. The reversal of 210112201121112 is 211121102211012.

It is a happy number.

210112201121112 is a `hidden beast` number, since 210 + 1 + 1 + 220 + 1 + 121 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32906662 + ... + 38769482.

It is an arithmetic number, because the mean of its divisors is an integer number (4616972325000).

Almost surely, 2^{210112201121112} 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 210112201121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295486228800000).

210112201121112 is an abundant number, since it is smaller than the sum of its proper divisors (380860256478888).

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

210112201121112 is a wasteful number, since it uses less digits than its factorization.

210112201121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864918 (or 5864908 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 210112201121112 its reverse (211121102211012), we get a palindrome (421233303332124).

The spelling of 210112201121112 in words is "two hundred ten trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred twelve".