210211111220112 has 200 divisors, whose sum is σ = 644220692745696. Its totient is φ = 65946555730944.

The previous prime is 210211111220063. The next prime is 210211111220179. The reversal of 210211111220112 is 211022111112012.

It is a happy number.

210211111220112 is a `hidden beast` number, since 2 + 10 + 211 + 111 + 220 + 112 = 666.

It is a super-2 number, since 2×210211111220112² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 820409683 + ... + 820665869.

Almost surely, 2^{210211111220112} 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 210211111220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322110346372848).

210211111220112 is an abundant number, since it is smaller than the sum of its proper divisors (434009581525584).

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

210211111220112 is a wasteful number, since it uses less digits than its factorization.

210211111220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293467 (or 293452 counting only the distinct ones).

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

Adding to 210211111220112 its reverse (211022111112012), we get a palindrome (421233222332124).

The spelling of 210211111220112 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty thousand, one hundred twelve".