202143322122 has 32 divisors (see below), whose sum is σ = 462109784064. Its totient is φ = 57746746800.

The previous prime is 202143322111. The next prime is 202143322151. The reversal of 202143322122 is 221223341202.

It is a junction number, because it is equal to n+sod(n) for n = 202143322092 and 202143322101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61654 + ... + 638817.

It is an arithmetic number, because the mean of its divisors is an integer number (14440930752).

Almost surely, 2^202143322122 is an apocalyptic number.

202143322122 is an abundant number, since it is smaller than the sum of its proper divisors (259966461942).

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

202143322122 is a wasteful number, since it uses less digits than its factorization.

202143322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707354.

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

Adding to 202143322122 its reverse (221223341202), we get a palindrome (423366663324).

The spelling of 202143322122 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty-two thousand, one hundred twenty-two".