2011303102321 has 2 divisors, whose sum is σ = 2011303102322. Its totient is φ = 2011303102320.

The previous prime is 2011303102279. The next prime is 2011303102327. The reversal of 2011303102321 is 1232013031102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1880913503296 + 130389599025 = 1371464^2 + 361095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011303102321 - 2³⁵ = 1976943363953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011303102327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005651551160 + 1005651551161.

It is an arithmetic number, because the mean of its divisors is an integer number (1005651551161).

Almost surely, 2^{2011303102321} is an apocalyptic number.

It is an amenable number.

2011303102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011303102321 is an equidigital number, since it uses as much as digits as its factorization.

2011303102321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2011303102321 its reverse (1232013031102), we get a palindrome (3243316133423).

The spelling of 2011303102321 in words is "two trillion, eleven billion, three hundred three million, one hundred two thousand, three hundred twenty-one".