210112010121222 has 256 divisors, whose sum is σ = 532455231974400. Its totient is φ = 60830009856000.

The previous prime is 210112010121199. The next prime is 210112010121259. The reversal of 210112010121222 is 222121010211012.

210112010121222 is a `hidden beast` number, since 210 + 1 + 120 + 101 + 212 + 22 = 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 = 210112010121195 and 210112010121204.

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 127 ways as a sum of consecutive naturals, for example, 15808586397 + ... + 15808599687.

It is an arithmetic number, because the mean of its divisors is an integer number (2079903249900).

Almost surely, 2^{210112010121222} is an apocalyptic number.

210112010121222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210112010121222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266227615987200).

210112010121222 is an abundant number, since it is smaller than the sum of its proper divisors (322343221853178).

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

210112010121222 is a wasteful number, since it uses less digits than its factorization.

210112010121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22900 (or 22894 counting only the distinct ones).

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

Adding to 210112010121222 its reverse (222121010211012), we get a palindrome (432233020332234).

The spelling of 210112010121222 in words is "two hundred ten trillion, one hundred twelve billion, ten million, one hundred twenty-one thousand, two hundred twenty-two".