202200322121 has 4 divisors (see below), whose sum is σ = 231086082432. Its totient is φ = 173314561812.

The previous prime is 202200322061. The next prime is 202200322151. The reversal of 202200322121 is 121223002202.

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 de Polignac number, because none of the positive numbers 2^k-202200322121 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 202200322121.

It is not an unprimeable number, because it can be changed into a prime (202200322151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14442880145 + ... + 14442880158.

It is an arithmetic number, because the mean of its divisors is an integer number (57771520608).

Almost surely, 2^202200322121 is an apocalyptic number.

It is an amenable number.

202200322121 is a deficient number, since it is larger than the sum of its proper divisors (28885760311).

202200322121 is an equidigital number, since it uses as much as digits as its factorization.

202200322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28885760310.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202200322121 its reverse (121223002202), we get a palindrome (323423324323).

The spelling of 202200322121 in words is "two hundred two billion, two hundred million, three hundred twenty-two thousand, one hundred twenty-one".