200122222122 has 96 divisors (see below), whose sum is σ = 448934932992. Its totient is φ = 64378841472.

The previous prime is 200122222109. The next prime is 200122222141. The reversal of 200122222122 is 221222221002.

200122222122 is a `hidden beast` number, since 200 + 1 + 222 + 221 + 22 = 666.

200122222122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 200122222095 and 200122222104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65893188 + ... + 65896224.

It is an arithmetic number, because the mean of its divisors is an integer number (4676405552).

Almost surely, 2^200122222122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200122222122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224467466496).

200122222122 is an abundant number, since it is smaller than the sum of its proper divisors (248812710870).

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

200122222122 is a wasteful number, since it uses less digits than its factorization.

200122222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3849 counting only the distinct ones).

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

Adding to 200122222122 its reverse (221222221002), we get a palindrome (421344443124).

The spelling of 200122222122 in words is "two hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".