200122120121197 has 2 divisors, whose sum is σ = 200122120121198. Its totient is φ = 200122120121196.

The previous prime is 200122120121173. The next prime is 200122120121219. The reversal of 200122120121197 is 791121021221002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102261968601156 + 97860151520041 = 10112466^2 + 9892429^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122120121197 - 2¹¹ = 200122120119149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122120121897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061060060598 + 100061060060599.

It is an arithmetic number, because the mean of its divisors is an integer number (100061060060599).

Almost surely, 2^{200122120121197} is an apocalyptic number.

It is an amenable number.

200122120121197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122120121197 is an equidigital number, since it uses as much as digits as its factorization.

200122120121197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 200122120121197 its reverse (791121021221002), we get a palindrome (991243141342199).

The spelling of 200122120121197 in words is "two hundred trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ninety-seven".