200121322102 has 32 divisors (see below), whose sum is σ = 328595363712. Its totient is φ = 90849890304.

The previous prime is 200121322087. The next prime is 200121322103. The reversal of 200121322102 is 201223121002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121322103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552918 + ... + 840214.

It is an arithmetic number, because the mean of its divisors is an integer number (10268605116).

Almost surely, 2^200121322102 is an apocalyptic number.

200121322102 is a deficient number, since it is larger than the sum of its proper divisors (128474041610).

200121322102 is a wasteful number, since it uses less digits than its factorization.

200121322102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287752.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200121322102 its reverse (201223121002), we get a palindrome (401344443104).

The spelling of 200121322102 in words is "two hundred billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred two".