200210211212221 has 16 divisors (see below), whose sum is σ = 229574897049600. Its totient is φ = 171036856605168.

The previous prime is 200210211212197. The next prime is 200210211212273. The reversal of 200210211212221 is 122212112012002.

It is a cyclic number.

It is not a de Polignac number, because 200210211212221 - 2¹⁹ = 200210210687933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210211512221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17270091 + ... + 26432488.

It is an arithmetic number, because the mean of its divisors is an integer number (14348431065600).

Almost surely, 2^{200210211212221} is an apocalyptic number.

It is an amenable number.

200210211212221 is a deficient number, since it is larger than the sum of its proper divisors (29364685837379).

200210211212221 is a wasteful number, since it uses less digits than its factorization.

200210211212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43704768.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200210211212221 its reverse (122212112012002), we get a palindrome (322422323224223).

The spelling of 200210211212221 in words is "two hundred trillion, two hundred ten billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-one".