921303122013301 has 2 divisors, whose sum is σ = 921303122013302. Its totient is φ = 921303122013300.

The previous prime is 921303122013227. The next prime is 921303122013311. The reversal of 921303122013301 is 103310221303129.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756606992120100 + 164696129893201 = 27506490^2 + 12833399^2 .

It is an emirp because it is prime and its reverse (103310221303129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 921303122013301 - 2³³ = 921294532078709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (921303122013311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460651561006650 + 460651561006651.

It is an arithmetic number, because the mean of its divisors is an integer number (460651561006651).

Almost surely, 2^{921303122013301} is an apocalyptic number.

It is an amenable number.

921303122013301 is a deficient number, since it is larger than the sum of its proper divisors (1).

921303122013301 is an equidigital number, since it uses as much as digits as its factorization.

921303122013301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 921303122013301 in words is "nine hundred twenty-one trillion, three hundred three billion, one hundred twenty-two million, thirteen thousand, three hundred one".