210002122002222 has 96 divisors (see below), whose sum is σ = 498573323449344. Its totient is φ = 63354376780800.

The previous prime is 210002122002221. The next prime is 210002122002229. The reversal of 210002122002222 is 222200221200012.

210002122002222 is a `hidden beast` number, since 210 + 0 + 0 + 212 + 20 + 0 + 2 + 222 = 666.

It is a super-2 number, since 2×210002122002222² (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 a junction number, because it is equal to n+sod(n) for n = 210002122002195 and 210002122002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002122002221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1566166222 + ... + 1566300302.

It is an arithmetic number, because the mean of its divisors is an integer number (5193472119264).

Almost surely, 2^{210002122002222} is an apocalyptic number.

210002122002222 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 210002122002222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249286661724672).

210002122002222 is an abundant number, since it is smaller than the sum of its proper divisors (288571201447122).

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

210002122002222 is a wasteful number, since it uses less digits than its factorization.

210002122002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169174 (or 169171 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210002122002222 its reverse (222200221200012), we get a palindrome (432202343202234).

The spelling of 210002122002222 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, two thousand, two hundred twenty-two".