203322103121 has 6 divisors (see below), whose sum is σ = 215985763830. Its totient is φ = 191361979136.

The previous prime is 203322103081. The next prime is 203322103123. The reversal of 203322103121 is 121301223302.

It can be written as a sum of positive squares in 3 ways, for example, as 131141758225 + 72180344896 = 362135^2 + 268664^2 .

It is a de Polignac number, because none of the positive numbers 2^k-203322103121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203322103093 and 203322103102.

It is not an unprimeable number, because it can be changed into a prime (203322103123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351768056 + ... + 351768633.

It is an arithmetic number, because the mean of its divisors is an integer number (35997627305).

Almost surely, 2^203322103121 is an apocalyptic number.

It is an amenable number.

203322103121 is a deficient number, since it is larger than the sum of its proper divisors (12663660709).

203322103121 is an equidigital number, since it uses as much as digits as its factorization.

203322103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703536723 (or 703536706 counting only the distinct ones).

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

Adding to 203322103121 its reverse (121301223302), we get a palindrome (324623326423).

The spelling of 203322103121 in words is "two hundred three billion, three hundred twenty-two million, one hundred three thousand, one hundred twenty-one".