200210211010021 has 16 divisors (see below), whose sum is σ = 202344333447024. Its totient is φ = 198086064945664.

The previous prime is 200210211009997. The next prime is 200210211010067. The reversal of 200210211010021 is 120010112012002.

200210211010021 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 8 ways, for example, as 25777807524225 + 174432403485796 = 5077185^2 + 13207286^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210211010021 - 2²⁹ = 200209674139109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210211009983 and 200210211010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210211010091) 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, 241616211 + ... + 242443423.

It is an arithmetic number, because the mean of its divisors is an integer number (12646520840439).

Almost surely, 2^{200210211010021} is an apocalyptic number.

It is an amenable number.

200210211010021 is a deficient number, since it is larger than the sum of its proper divisors (2134122437003).

200210211010021 is a wasteful number, since it uses less digits than its factorization.

200210211010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833240.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200210211010021 its reverse (120010112012002), we get a palindrome (320220323022023).

The spelling of 200210211010021 in words is "two hundred trillion, two hundred ten billion, two hundred eleven million, ten thousand, twenty-one".