2100233102321 has 2 divisors, whose sum is σ = 2100233102322. Its totient is φ = 2100233102320.

The previous prime is 2100233102311. The next prime is 2100233102333. The reversal of 2100233102321 is 1232013320012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1427774061025 + 672459041296 = 1194895^2 + 820036^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100233102321 - 2²² = 2100228908017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100233102293 and 2100233102302.

It is not a weakly prime, because it can be changed into another prime (2100233102311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050116551160 + 1050116551161.

It is an arithmetic number, because the mean of its divisors is an integer number (1050116551161).

Almost surely, 2^{2100233102321} is an apocalyptic number.

It is an amenable number.

2100233102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100233102321 is an equidigital number, since it uses as much as digits as its factorization.

2100233102321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2100233102321 its reverse (1232013320012), we get a palindrome (3332246422333).

The spelling of 2100233102321 in words is "two trillion, one hundred billion, two hundred thirty-three million, one hundred two thousand, three hundred twenty-one".