200200121000022 has 128 divisors (see below), whose sum is σ = 475726583324160. Its totient is φ = 55366058880000.

The previous prime is 200200120999999. The next prime is 200200121000023. The reversal of 200200121000022 is 220000121002002.

It is a junction number, because it is equal to n+sod(n) for n = 200200120999971 and 200200121000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200121000023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 939222397 + ... + 939435527.

It is an arithmetic number, because the mean of its divisors is an integer number (3716613932220).

Almost surely, 2^{200200121000022} is an apocalyptic number.

200200121000022 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 200200121000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237863291662080).

200200121000022 is an abundant number, since it is smaller than the sum of its proper divisors (275526462324138).

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

200200121000022 is a wasteful number, since it uses less digits than its factorization.

200200121000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225550.

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

Adding to 200200121000022 its reverse (220000121002002), we get a palindrome (420200242002024).

The spelling of 200200121000022 in words is "two hundred trillion, two hundred billion, one hundred twenty-one million, twenty-two", and thus it is an aban number.