2110221193 has 2 divisors, whose sum is σ = 2110221194. Its totient is φ = 2110221192.

The previous prime is 2110221167. The next prime is 2110221209. The reversal of 2110221193 is 3911220112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1529748544 + 580472649 = 39112^2 + 24093^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110221193 - 2²⁹ = 1573350281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110251193) 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, 1055110596 + 1055110597.

It is an arithmetic number, because the mean of its divisors is an integer number (1055110597).

Almost surely, 2^2110221193 is an apocalyptic number.

It is an amenable number.

2110221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110221193 is an equidigital number, since it uses as much as digits as its factorization.

2110221193 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 22.

The square root of 2110221193 is about 45937.1439360350. The cubic root of 2110221193 is about 1282.6534297831.

The spelling of 2110221193 in words is "two billion, one hundred ten million, two hundred twenty-one thousand, one hundred ninety-three".