200122222110221 has 4 divisors (see below), whose sum is σ = 200123069163072. Its totient is φ = 200121375057372.

The previous prime is 200122222110211. The next prime is 200122222110253. The reversal of 200122222110221 is 122011222221002.

200122222110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200122222110221 - 2¹⁸ = 200122221848077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200122222110193 and 200122222110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122222110211) 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, 423171941 + ... + 423644586.

It is an arithmetic number, because the mean of its divisors is an integer number (50030767290768).

Almost surely, 2^{200122222110221} is an apocalyptic number.

It is an amenable number.

200122222110221 is a deficient number, since it is larger than the sum of its proper divisors (847052851).

200122222110221 is an equidigital number, since it uses as much as digits as its factorization.

200122222110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847052850.

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

Adding to 200122222110221 its reverse (122011222221002), we get a palindrome (322133444331223).

The spelling of 200122222110221 in words is "two hundred trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".