200212022220121 has 8 divisors (see below), whose sum is σ = 200290688253000. Its totient is φ = 200133357669120.

The previous prime is 200212022219921. The next prime is 200212022220179. The reversal of 200212022220121 is 121022220212002.

It can be written as a sum of positive squares in 4 ways, for example, as 277060113225 + 199934962106896 = 526365^2 + 14139836^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200212022220121 - 2¹⁷ = 200212022089049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200212022220181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326207151 + ... + 326820331.

It is an arithmetic number, because the mean of its divisors is an integer number (25036336031625).

Almost surely, 2^{200212022220121} is an apocalyptic number.

It is an amenable number.

200212022220121 is a deficient number, since it is larger than the sum of its proper divisors (78666032879).

200212022220121 is a wasteful number, since it uses less digits than its factorization.

200212022220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740939.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200212022220121 its reverse (121022220212002), we get a palindrome (321234242432123).

The spelling of 200212022220121 in words is "two hundred trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, one hundred twenty-one".