202002200101221 has 32 divisors (see below), whose sum is σ = 306496712847360. Its totient is φ = 117399187249344.

The previous prime is 202002200101213. The next prime is 202002200101279. The reversal of 202002200101221 is 122101002200202.

It is not a de Polignac number, because 202002200101221 - 2³ = 202002200101213 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202002200101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002200101291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1425230071 + ... + 1425371796.

It is an arithmetic number, because the mean of its divisors is an integer number (9578022276480).

Almost surely, 2^{202002200101221} is an apocalyptic number.

It is an amenable number.

202002200101221 is a deficient number, since it is larger than the sum of its proper divisors (104494512746139).

202002200101221 is a wasteful number, since it uses less digits than its factorization.

202002200101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850601985.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202002200101221 its reverse (122101002200202), we get a palindrome (324103202301423).

The spelling of 202002200101221 in words is "two hundred two trillion, two billion, two hundred million, one hundred one thousand, two hundred twenty-one".