2103133210321 has 36 divisors (see below), whose sum is σ = 2537503237164. Its totient is φ = 1740689533440.

The previous prime is 2103133210291. The next prime is 2103133210327. The reversal of 2103133210321 is 1230123313012.

It can be written as a sum of positive squares in 6 ways, for example, as 149064715921 + 1954068494400 = 386089^2 + 1397880^2 .

It is not a de Polignac number, because 2103133210321 - 2⁵ = 2103133210289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103133210292 and 2103133210301.

It is not an unprimeable number, because it can be changed into a prime (2103133210327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 788341 + ... + 2197213.

Almost surely, 2^{2103133210321} is an apocalyptic number.

It is an amenable number.

2103133210321 is a deficient number, since it is larger than the sum of its proper divisors (434370026843).

2103133210321 is a wasteful number, since it uses less digits than its factorization.

2103133210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408994 (or 1408970 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2103133210321 its reverse (1230123313012), we get a palindrome (3333256523333).

The spelling of 2103133210321 in words is "two trillion, one hundred three billion, one hundred thirty-three million, two hundred ten thousand, three hundred twenty-one".