200102102211221 has 4 divisors (see below), whose sum is σ = 228688116812832. Its totient is φ = 171516087609612.

The previous prime is 200102102211217. The next prime is 200102102211239. The reversal of 200102102211221 is 122112201201002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200102102211221 - 2² = 200102102211217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200102102211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102102241221) 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 3 ways as a sum of consecutive naturals, for example, 14293007300795 + ... + 14293007300808.

It is an arithmetic number, because the mean of its divisors is an integer number (57172029203208).

Almost surely, 2^{200102102211221} is an apocalyptic number.

It is an amenable number.

200102102211221 is a deficient number, since it is larger than the sum of its proper divisors (28586014601611).

200102102211221 is an equidigital number, since it uses as much as digits as its factorization.

200102102211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28586014601610.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200102102211221 its reverse (122112201201002), we get a palindrome (322214303412223).

The spelling of 200102102211221 in words is "two hundred trillion, one hundred two billion, one hundred two million, two hundred eleven thousand, two hundred twenty-one".