200001222102 has 48 divisors (see below), whose sum is σ = 439982496576. Its totient is φ = 60563646000.

The previous prime is 200001222059. The next prime is 200001222119. The reversal of 200001222102 is 201222100002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939477 + ... + 1132527.

It is an arithmetic number, because the mean of its divisors is an integer number (9166302012).

Almost surely, 2^200001222102 is an apocalyptic number.

200001222102 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 200001222102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219991248288).

200001222102 is an abundant number, since it is smaller than the sum of its proper divisors (239981274474).

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

200001222102 is a wasteful number, since it uses less digits than its factorization.

200001222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194505 (or 194494 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200001222102 its reverse (201222100002), we get a palindrome (401223322104).

The spelling of 200001222102 in words is "two hundred billion, one million, two hundred twenty-two thousand, one hundred two".