200121211222102 has 16 divisors (see below), whose sum is σ = 304418179057824. Its totient is φ = 98648563104000.

The previous prime is 200121211222099. The next prime is 200121211222109. The reversal of 200121211222102 is 201222112121002.

It is a self number, because there is not a number n which added to its sum of digits gives 200121211222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121211222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14419899 + ... + 24661222.

It is an arithmetic number, because the mean of its divisors is an integer number (19026136191114).

Almost surely, 2^{200121211222102} is an apocalyptic number.

200121211222102 is a deficient number, since it is larger than the sum of its proper divisors (104296967835722).

200121211222102 is a wasteful number, since it uses less digits than its factorization.

200121211222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39117255.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200121211222102 its reverse (201222112121002), we get a palindrome (401343323343104).

The spelling of 200121211222102 in words is "two hundred trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred two".