20201112322961 has 2 divisors, whose sum is σ = 20201112322962. Its totient is φ = 20201112322960.

The previous prime is 20201112322927. The next prime is 20201112323027. The reversal of 20201112322961 is 16922321110202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13117210689361 + 7083901633600 = 3621769^2 + 2661560^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201112322961 - 2¹⁴ = 20201112306577 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201112322661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100556161480 + 10100556161481.

It is an arithmetic number, because the mean of its divisors is an integer number (10100556161481).

Almost surely, 2^{20201112322961} is an apocalyptic number.

It is an amenable number.

20201112322961 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201112322961 is an equidigital number, since it uses as much as digits as its factorization.

20201112322961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 20201112322961 in words is "twenty trillion, two hundred one billion, one hundred twelve million, three hundred twenty-two thousand, nine hundred sixty-one".