203122202042 has 32 divisors (see below), whose sum is σ = 326305729152. Its totient is φ = 94493896704.

The previous prime is 203122202039. The next prime is 203122202083. The reversal of 203122202042 is 240202221302.

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, 1970393 + ... + 2070915.

It is an arithmetic number, because the mean of its divisors is an integer number (10197054036).

Almost surely, 2^203122202042 is an apocalyptic number.

203122202042 is a deficient number, since it is larger than the sum of its proper divisors (123183527110).

203122202042 is a wasteful number, since it uses less digits than its factorization.

203122202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101222.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 203122202042 its reverse (240202221302), we get a palindrome (443324423344).

The spelling of 203122202042 in words is "two hundred three billion, one hundred twenty-two million, two hundred two thousand, forty-two".