201222212220097 has 2 divisors, whose sum is σ = 201222212220098. Its totient is φ = 201222212220096.

The previous prime is 201222212220083. The next prime is 201222212220101. The reversal of 201222212220097 is 790022212222102.

201222212220097 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., 169496209703041 + 31726002517056 = 13019071^2 + 5632584^2 .

It is a cyclic number.

It is not a de Polignac number, because 201222212220097 - 2²³ = 201222203831489 is a prime.

It is not a weakly prime, because it can be changed into another prime (201222212220017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611106110048 + 100611106110049.

It is an arithmetic number, because the mean of its divisors is an integer number (100611106110049).

Almost surely, 2^{201222212220097} is an apocalyptic number.

It is an amenable number.

201222212220097 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222212220097 is an equidigital number, since it uses as much as digits as its factorization.

201222212220097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 201222212220097 its reverse (790022212222102), we get a palindrome (991244424442199).

The spelling of 201222212220097 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, ninety-seven".