200212222110221 has 4 divisors (see below), whose sum is σ = 201440517951552. Its totient is φ = 198983926268892.

The previous prime is 200212222110211. The next prime is 200212222110293. The reversal of 200212222110221 is 122011222212002.

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 200212222110221 - 2³⁰ = 200211148368397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212222110193 and 200212222110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212222110211) 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, 614147920421 + ... + 614147920746.

It is an arithmetic number, because the mean of its divisors is an integer number (50360129487888).

Almost surely, 2^{200212222110221} is an apocalyptic number.

It is an amenable number.

200212222110221 is a deficient number, since it is larger than the sum of its proper divisors (1228295841331).

200212222110221 is a wasteful number, since it uses less digits than its factorization.

200212222110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228295841330.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 200212222110221 its reverse (122011222212002), we get a palindrome (322223444322223).

The spelling of 200212222110221 in words is "two hundred trillion, two hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".