200102100120221 has 16 divisors (see below), whose sum is σ = 222446678952960. Its totient is φ = 178750715794560.

The previous prime is 200102100120163. The next prime is 200102100120227. The reversal of 200102100120221 is 122021001201002.

It is not a de Polignac number, because 200102100120221 - 2¹⁰ = 200102100119197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200102100120196 and 200102100120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102100120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198350360 + ... + 199356638.

It is an arithmetic number, because the mean of its divisors is an integer number (13902917434560).

Almost surely, 2^{200102100120221} is an apocalyptic number.

It is an amenable number.

200102100120221 is a deficient number, since it is larger than the sum of its proper divisors (22344578832739).

200102100120221 is a wasteful number, since it uses less digits than its factorization.

200102100120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499756.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200102100120221 its reverse (122021001201002), we get a palindrome (322123101321223).

The spelling of 200102100120221 in words is "two hundred trillion, one hundred two billion, one hundred million, one hundred twenty thousand, two hundred twenty-one".