200202222222221 has 4 divisors (see below), whose sum is σ = 200206527044832. Its totient is φ = 200197917399612.

The previous prime is 200202222222187. The next prime is 200202222222271. The reversal of 200202222222221 is 122222222202002.

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 a de Polignac number, because none of the positive numbers 2^k-200202222222221 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 (200202222222271) 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, 2152341545 + ... + 2152434558.

It is an arithmetic number, because the mean of its divisors is an integer number (50051631761208).

Almost surely, 2^{200202222222221} is an apocalyptic number.

It is an amenable number.

200202222222221 is a deficient number, since it is larger than the sum of its proper divisors (4304822611).

200202222222221 is an equidigital number, since it uses as much as digits as its factorization.

200202222222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304822610.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 200202222222221 its reverse (122222222202002), we get a palindrome (322424444424223).

The spelling of 200202222222221 in words is "two hundred trillion, two hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".