201020020122193 has 2 divisors, whose sum is σ = 201020020122194. Its totient is φ = 201020020122192.

The previous prime is 201020020122191. The next prime is 201020020122277. The reversal of 201020020122193 is 391221020020102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175226958478224 + 25793061643969 = 13237332^2 + 5078687^2 .

It is a cyclic number.

It is not a de Polignac number, because 201020020122193 - 2¹ = 201020020122191 is a prime.

It is a super-2 number, since 2×201020020122193² (a number of 29 digits) contains 22 as substring.

Together with 201020020122191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201020020122191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510010061096 + 100510010061097.

It is an arithmetic number, because the mean of its divisors is an integer number (100510010061097).

Almost surely, 2^{201020020122193} is an apocalyptic number.

It is an amenable number.

201020020122193 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020020122193 is an equidigital number, since it uses as much as digits as its factorization.

201020020122193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 201020020122193 its reverse (391221020020102), we get a palindrome (592241040142295).

The spelling of 201020020122193 in words is "two hundred one trillion, twenty billion, twenty million, one hundred twenty-two thousand, one hundred ninety-three".