200210202012221 has 4 divisors (see below), whose sum is σ = 200236535072832. Its totient is φ = 200183868951612.

The previous prime is 200210202012193. The next prime is 200210202012259. The reversal of 200210202012221 is 122210202012002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200210202012221 - 2³⁰ = 200209128270397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200210202012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210202015221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13166518901 + ... + 13166534106.

It is an arithmetic number, because the mean of its divisors is an integer number (50059133768208).

Almost surely, 2^{200210202012221} is an apocalyptic number.

It is an amenable number.

200210202012221 is a deficient number, since it is larger than the sum of its proper divisors (26333060611).

200210202012221 is an equidigital number, since it uses as much as digits as its factorization.

200210202012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26333060610.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200210202012221 its reverse (122210202012002), we get a palindrome (322420404024223).

The spelling of 200210202012221 in words is "two hundred trillion, two hundred ten billion, two hundred two million, twelve thousand, two hundred twenty-one".