200032121000221 has 12 divisors (see below), whose sum is σ = 200762468447380. Its totient is φ = 199303748346240.

The previous prime is 200032121000141. The next prime is 200032121000251. The reversal of 200032121000221 is 122000121230002.

It is a happy number.

200032121000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 95828632424100 + 104203488576121 = 9789210^2 + 10208011^2 .

It is not a de Polignac number, because 200032121000221 - 2⁷ = 200032121000093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200032121000195 and 200032121000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200032121000251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167248825 + ... + 168440593.

Almost surely, 2^{200032121000221} is an apocalyptic number.

It is an amenable number.

200032121000221 is a deficient number, since it is larger than the sum of its proper divisors (730347447159).

200032121000221 is an frugal number, since it uses more digits than its factorization.

200032121000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193424 (or 1192867 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200032121000221 its reverse (122000121230002), we get a palindrome (322032242230223).

The spelling of 200032121000221 in words is "two hundred trillion, thirty-two billion, one hundred twenty-one million, two hundred twenty-one", and thus it is an aban number.