202143321222 has 128 divisors (see below), whose sum is σ = 428208076800. Its totient is φ = 63550656000.

The previous prime is 202143321199. The next prime is 202143321241. The reversal of 202143321222 is 222123341202.

It is a junction number, because it is equal to n+sod(n) for n = 202143321192 and 202143321201.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 246215572 + ... + 246216392.

It is an arithmetic number, because the mean of its divisors is an integer number (3345375600).

Almost surely, 2^202143321222 is an apocalyptic number.

202143321222 is an abundant number, since it is smaller than the sum of its proper divisors (226064755578).

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

202143321222 is a wasteful number, since it uses less digits than its factorization.

202143321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202143321222 its reverse (222123341202), we get a palindrome (424266662424).

The spelling of 202143321222 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred twenty-two".