210111112220112 has 120 divisors (see below), whose sum is σ = 608389482192128. Its totient is φ = 67621246848000.

The previous prime is 210111112220099. The next prime is 210111112220209. The reversal of 210111112220112 is 211022211111012.

It is a happy number.

210111112220112 is a `hidden beast` number, since 210 + 1 + 11 + 112 + 220 + 112 = 666.

It is a super-3 number, since 3×210111112220112³ (a number of 44 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52418014 + ... + 56283837.

Almost surely, 2^{210111112220112} is an apocalyptic number.

It is an amenable number.

210111112220112 is an abundant number, since it is smaller than the sum of its proper divisors (398278369972016).

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

210111112220112 is a wasteful number, since it uses less digits than its factorization.

210111112220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108702329 (or 108702320 counting only the distinct ones).

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

Adding to 210111112220112 its reverse (211022211111012), we get a palindrome (421133323331124).

The spelling of 210111112220112 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twelve".