200200021210021 has 8 divisors (see below), whose sum is σ = 228815846223104. Its totient is φ = 171588151692720.

The previous prime is 200200021209973. The next prime is 200200021210159. The reversal of 200200021210021 is 120012120002002.

It is a happy number.

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

It is not a de Polignac number, because 200200021210021 - 2²⁹ = 200199484339109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200200021209983 and 200200021210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200022210021) 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, 988765485 + ... + 988967938.

It is an arithmetic number, because the mean of its divisors is an integer number (28601980777888).

Almost surely, 2^{200200021210021} is an apocalyptic number.

It is an amenable number.

200200021210021 is a deficient number, since it is larger than the sum of its proper divisors (28615825013083).

200200021210021 is a wasteful number, since it uses less digits than its factorization.

200200021210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977747891.

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

Adding to 200200021210021 its reverse (120012120002002), we get a palindrome (320212141212023).

The spelling of 200200021210021 in words is "two hundred trillion, two hundred billion, twenty-one million, two hundred ten thousand, twenty-one".