203122132103 has 16 divisors (see below), whose sum is σ = 224120085504. Its totient is φ = 182550447360.

The previous prime is 203122132099. The next prime is 203122132111. The reversal of 203122132103 is 301231221302.

It is a cyclic number.

It is not a de Polignac number, because 203122132103 - 2² = 203122132099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122132123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862826 + ... + 1072712.

It is an arithmetic number, because the mean of its divisors is an integer number (14007505344).

Almost surely, 2^203122132103 is an apocalyptic number.

203122132103 is a deficient number, since it is larger than the sum of its proper divisors (20997953401).

203122132103 is a wasteful number, since it uses less digits than its factorization.

203122132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210902.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203122132103 its reverse (301231221302), we get a palindrome (504353353405).

The spelling of 203122132103 in words is "two hundred three billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred three".