10000221193 has 2 divisors, whose sum is σ = 10000221194. Its totient is φ = 10000221192.

The previous prime is 10000221181. The next prime is 10000221199. The reversal of 10000221193 is 39112200001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9461841984 + 538379209 = 97272^2 + 23203^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000221193 - 2³³ = 1410286601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10000221193.

It is not a weakly prime, because it can be changed into another prime (10000221199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000110596 + 5000110597.

It is an arithmetic number, because the mean of its divisors is an integer number (5000110597).

Almost surely, 2^10000221193 is an apocalyptic number.

It is an amenable number.

10000221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000221193 is an equidigital number, since it uses as much as digits as its factorization.

10000221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10000221193 its reverse (39112200001), we get a palindrome (49112421194).

The spelling of 10000221193 in words is "ten billion, two hundred twenty-one thousand, one hundred ninety-three".