200202220101221 has 48 divisors (see below), whose sum is σ = 228040211316096. Its totient is φ = 175344281468928.

The previous prime is 200202220101217. The next prime is 200202220101227. The reversal of 200202220101221 is 122101022202002.

It is a happy number.

It is not a de Polignac number, because 200202220101221 - 2² = 200202220101217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200202220101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202220101227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259931741 + ... + 260700813.

It is an arithmetic number, because the mean of its divisors is an integer number (4750837735752).

Almost surely, 2^{200202220101221} is an apocalyptic number.

It is an amenable number.

200202220101221 is a deficient number, since it is larger than the sum of its proper divisors (27837991214875).

200202220101221 is a wasteful number, since it uses less digits than its factorization.

200202220101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769662 (or 769649 counting only the distinct ones).

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

Adding to 200202220101221 its reverse (122101022202002), we get a palindrome (322303242303223).

The spelling of 200202220101221 in words is "two hundred trillion, two hundred two billion, two hundred twenty million, one hundred one thousand, two hundred twenty-one".