221059803037163 has 2 divisors, whose sum is σ = 221059803037164. Its totient is φ = 221059803037162.

The previous prime is 221059803037123. The next prime is 221059803037181. The reversal of 221059803037163 is 361730308950122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221059803037163 - 2¹⁴ = 221059803020779 is a prime.

It is not a weakly prime, because it can be changed into another prime (221059803037123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110529901518581 + 110529901518582.

It is an arithmetic number, because the mean of its divisors is an integer number (110529901518582).

Almost surely, 2^{221059803037163} is an apocalyptic number.

221059803037163 is a deficient number, since it is larger than the sum of its proper divisors (1).

221059803037163 is an equidigital number, since it uses as much as digits as its factorization.

221059803037163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 221059803037163 in words is "two hundred twenty-one trillion, fifty-nine billion, eight hundred three million, thirty-seven thousand, one hundred sixty-three".