210002112111222 has 24 divisors (see below), whose sum is σ = 455005066946040. Its totient is φ = 70000628544000.

The previous prime is 210002112111163. The next prime is 210002112111227. The reversal of 210002112111222 is 222111211200012.

210002112111222 is a `hidden beast` number, since 21 + 0 + 0 + 0 + 211 + 211 + 1 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 210002112111195 and 210002112111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002112111227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12356929 + ... + 23931107.

It is an arithmetic number, because the mean of its divisors is an integer number (18958544456085).

Almost surely, 2^{210002112111222} is an apocalyptic number.

210002112111222 is an abundant number, since it is smaller than the sum of its proper divisors (245002954834818).

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

210002112111222 is a wasteful number, since it uses less digits than its factorization.

210002112111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12582188 (or 12582185 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210002112111222 its reverse (222111211200012), we get a palindrome (432113323311234).

The spelling of 210002112111222 in words is "two hundred ten trillion, two billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".