200200202110021 has 8 divisors (see below), whose sum is σ = 205266735647064. Its totient is φ = 195142411514880.

The previous prime is 200200202110001. The next prime is 200200202110177. The reversal of 200200202110021 is 120011202002002.

It is a happy number.

200200202110021 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 4 ways, for example, as 14943984405025 + 185256217704996 = 3865745^2 + 13610886^2 .

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 200200202110021 - 2¹¹ = 200200202107973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200200202109983 and 200200202110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200202110001) 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, 2185689100 + ... + 2185780693.

It is an arithmetic number, because the mean of its divisors is an integer number (25658341955883).

Almost surely, 2^{200200202110021} is an apocalyptic number.

It is an amenable number.

200200202110021 is a deficient number, since it is larger than the sum of its proper divisors (5066533537043).

200200202110021 is a wasteful number, since it uses less digits than its factorization.

200200202110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371470951.

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

Adding to 200200202110021 its reverse (120011202002002), we get a palindrome (320211404112023).

The spelling of 200200202110021 in words is "two hundred trillion, two hundred billion, two hundred two million, one hundred ten thousand, twenty-one".