200121222102 has 16 divisors (see below), whose sum is σ = 405879662592. Its totient is φ = 65767537640.

The previous prime is 200121222101. The next prime is 200121222131. The reversal of 200121222102 is 201222121002.

200121222102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234883638 + ... + 234884489.

It is an arithmetic number, because the mean of its divisors is an integer number (25367478912).

Almost surely, 2^200121222102 is an apocalyptic number.

200121222102 is an abundant number, since it is smaller than the sum of its proper divisors (205758440490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200121222102 is a wasteful number, since it uses less digits than its factorization.

200121222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469768203.

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

Adding to 200121222102 its reverse (201222121002), we get a palindrome (401343343104).

The spelling of 200121222102 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred two".