11000021221193 has 2 divisors, whose sum is σ = 11000021221194. Its totient is φ = 11000021221192.

The previous prime is 11000021221159. The next prime is 11000021221261. The reversal of 11000021221193 is 39112212000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10871349791929 + 128671429264 = 3297173^2 + 358708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000021221193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000021221153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500010610596 + 5500010610597.

It is an arithmetic number, because the mean of its divisors is an integer number (5500010610597).

Almost surely, 2^{11000021221193} is an apocalyptic number.

It is an amenable number.

11000021221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000021221193 is an equidigital number, since it uses as much as digits as its factorization.

11000021221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11000021221193 in words is "eleven trillion, twenty-one million, two hundred twenty-one thousand, one hundred ninety-three".