221202011022193 has 2 divisors, whose sum is σ = 221202011022194. Its totient is φ = 221202011022192.

The previous prime is 221202011022143. The next prime is 221202011022203. The reversal of 221202011022193 is 391220110202122.

221202011022193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216695828830464 + 4506182191729 = 14720592^2 + 2122777^2 .

It is a cyclic number.

It is not a de Polignac number, because 221202011022193 - 2⁹ = 221202011021681 is a prime.

It is not a weakly prime, because it can be changed into another prime (221202011022133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110601005511096 + 110601005511097.

It is an arithmetic number, because the mean of its divisors is an integer number (110601005511097).

Almost surely, 2^{221202011022193} is an apocalyptic number.

It is an amenable number.

221202011022193 is a deficient number, since it is larger than the sum of its proper divisors (1).

221202011022193 is an equidigital number, since it uses as much as digits as its factorization.

221202011022193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 221202011022193 in words is "two hundred twenty-one trillion, two hundred two billion, eleven million, twenty-two thousand, one hundred ninety-three".