102002200102221 has 32 divisors (see below), whose sum is σ = 139353509707776. Its totient is φ = 66335728944000.

The previous prime is 102002200102171. The next prime is 102002200102237. The reversal of 102002200102221 is 122201002200201.

It is not a de Polignac number, because 102002200102221 - 2³⁷ = 101864761148749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102002200102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002200102241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650275761 + ... + 650432601.

It is an arithmetic number, because the mean of its divisors is an integer number (4354797178368).

Almost surely, 2^{102002200102221} is an apocalyptic number.

It is an amenable number.

102002200102221 is a deficient number, since it is larger than the sum of its proper divisors (37351309605555).

102002200102221 is a wasteful number, since it uses less digits than its factorization.

102002200102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172033.

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

Adding to 102002200102221 its reverse (122201002200201), we get a palindrome (224203202302422).

The spelling of 102002200102221 in words is "one hundred two trillion, two billion, two hundred million, one hundred two thousand, two hundred twenty-one".