200210210200021 has 16 divisors (see below), whose sum is σ = 239689029521664. Its totient is φ = 163508795265024.

The previous prime is 200210210199973. The next prime is 200210210200037. The reversal of 200210210200021 is 120002012012002.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200210210200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210210199974 and 200210210200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210210206021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419300410 + ... + 2419383163.

It is an arithmetic number, because the mean of its divisors is an integer number (14980564345104).

Almost surely, 2^{200210210200021} is an apocalyptic number.

It is an amenable number.

200210210200021 is a deficient number, since it is larger than the sum of its proper divisors (39478819321643).

200210210200021 is a wasteful number, since it uses less digits than its factorization.

200210210200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838683860.

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

Adding to 200210210200021 its reverse (120002012012002), we get a palindrome (320212222212023).

The spelling of 200210210200021 in words is "two hundred trillion, two hundred ten billion, two hundred ten million, two hundred thousand, twenty-one".