200221112202221 has 16 divisors (see below), whose sum is σ = 223409077110720. Its totient is φ = 177899820462720.

The previous prime is 200221112202203. The next prime is 200221112202247. The reversal of 200221112202221 is 122202211122002.

It is a cyclic number.

It is not a de Polignac number, because 200221112202221 - 2²⁶ = 200221045093357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200221112202193 and 200221112202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221112202281) 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, 891526760 + ... + 891751313.

It is an arithmetic number, because the mean of its divisors is an integer number (13963067319420).

Almost surely, 2^{200221112202221} is an apocalyptic number.

It is an amenable number.

200221112202221 is a deficient number, since it is larger than the sum of its proper divisors (23187964908499).

200221112202221 is a wasteful number, since it uses less digits than its factorization.

200221112202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783278316.

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

Adding to 200221112202221 its reverse (122202211122002), we get a palindrome (322423323324223).

The spelling of 200221112202221 in words is "two hundred trillion, two hundred twenty-one billion, one hundred twelve million, two hundred two thousand, two hundred twenty-one".