200211202200221 has 4 divisors (see below), whose sum is σ = 200407680319200. Its totient is φ = 200014724081244.

The previous prime is 200211202200173. The next prime is 200211202200227. The reversal of 200211202200221 is 122002202112002.

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 200211202200221 - 2⁴² = 195813155689117 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 200211202200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211202200227) 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, 98239057961 + ... + 98239059998.

It is an arithmetic number, because the mean of its divisors is an integer number (50101920079800).

Almost surely, 2^{200211202200221} is an apocalyptic number.

It is an amenable number.

200211202200221 is a deficient number, since it is larger than the sum of its proper divisors (196478118979).

200211202200221 is a wasteful number, since it uses less digits than its factorization.

200211202200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196478118978.

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

Adding to 200211202200221 its reverse (122002202112002), we get a palindrome (322213404312223).

The spelling of 200211202200221 in words is "two hundred trillion, two hundred eleven billion, two hundred two million, two hundred thousand, two hundred twenty-one".