211322202193 has 2 divisors, whose sum is σ = 211322202194. Its totient is φ = 211322202192.

The previous prime is 211322202187. The next prime is 211322202229. The reversal of 211322202193 is 391202223112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201051798544 + 10270403649 = 448388^2 + 101343^2 .

It is a cyclic number.

It is not a de Polignac number, because 211322202193 - 2²¹ = 211320105041 is a prime.

It is not a weakly prime, because it can be changed into another prime (211322202163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105661101096 + 105661101097.

It is an arithmetic number, because the mean of its divisors is an integer number (105661101097).

Almost surely, 2^211322202193 is an apocalyptic number.

It is an amenable number.

211322202193 is a deficient number, since it is larger than the sum of its proper divisors (1).

211322202193 is an equidigital number, since it uses as much as digits as its factorization.

211322202193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 211322202193 in words is "two hundred eleven billion, three hundred twenty-two million, two hundred two thousand, one hundred ninety-three".