200121221102302 has 4 divisors (see below), whose sum is σ = 300181831653456. Its totient is φ = 100060610551150.

The previous prime is 200121221102227. The next prime is 200121221102347. The reversal of 200121221102302 is 203201122121002.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 200121221102302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030305275574 + ... + 50030305275577.

It is an arithmetic number, because the mean of its divisors is an integer number (75045457913364).

Almost surely, 2^{200121221102302} is an apocalyptic number.

200121221102302 is a deficient number, since it is larger than the sum of its proper divisors (100060610551154).

200121221102302 is a wasteful number, since it uses less digits than its factorization.

200121221102302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060610551153.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 200121221102302 its reverse (203201122121002), we get a palindrome (403322343223304).

The spelling of 200121221102302 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, three hundred two".