102102002002221 has 16 divisors (see below), whose sum is σ = 147192098518080. Its totient is φ = 62581674528000.

The previous prime is 102102002002207. The next prime is 102102002002229. The reversal of 102102002002221 is 122200200201201.

It is not a de Polignac number, because 102102002002221 - 2¹⁵ = 102102001969453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102102002002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102002002229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5215129756 + ... + 5215149333.

It is an arithmetic number, because the mean of its divisors is an integer number (9199506157380).

Almost surely, 2^{102102002002221} is an apocalyptic number.

It is an amenable number.

102102002002221 is a deficient number, since it is larger than the sum of its proper divisors (45090096515859).

102102002002221 is a wasteful number, since it uses less digits than its factorization.

102102002002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430279356.

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

Adding to 102102002002221 its reverse (122200200201201), we get a palindrome (224302202203422).

The spelling of 102102002002221 in words is "one hundred two trillion, one hundred two billion, two million, two thousand, two hundred twenty-one".