202122211210193 has 2 divisors, whose sum is σ = 202122211210194. Its totient is φ = 202122211210192.

The previous prime is 202122211210187. The next prime is 202122211210261. The reversal of 202122211210193 is 391012112221202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187143275521024 + 14978935689169 = 13680032^2 + 3870263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202122211210193 is a prime.

It is not a weakly prime, because it can be changed into another prime (202122211210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061105605096 + 101061105605097.

It is an arithmetic number, because the mean of its divisors is an integer number (101061105605097).

Almost surely, 2^{202122211210193} is an apocalyptic number.

It is an amenable number.

202122211210193 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122211210193 is an equidigital number, since it uses as much as digits as its factorization.

202122211210193 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 29.

Adding to 202122211210193 its reverse (391012112221202), we get a palindrome (593134323431395).

The spelling of 202122211210193 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred ten thousand, one hundred ninety-three".