200200120210021 has 8 divisors (see below), whose sum is σ = 212265788329944. Its totient is φ = 188166584363520.

The previous prime is 200200120209989. The next prime is 200200120210117. The reversal of 200200120210021 is 120012021002002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43145060880100 + 157055059329921 = 6568490^2 + 12532161^2 .

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 200200120210021 - 2⁵ = 200200120209989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200200120209983 and 200200120210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200120270021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8033055520 + ... + 8033080441.

It is an arithmetic number, because the mean of its divisors is an integer number (26533223541243).

Almost surely, 2^{200200120210021} is an apocalyptic number.

It is an amenable number.

200200120210021 is a deficient number, since it is larger than the sum of its proper divisors (12065668119923).

200200120210021 is a wasteful number, since it uses less digits than its factorization.

200200120210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16066136711.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200200120210021 its reverse (120012021002002), we get a palindrome (320212141212023).

The spelling of 200200120210021 in words is "two hundred trillion, two hundred billion, one hundred twenty million, two hundred ten thousand, twenty-one".