222201211097 has 2 divisors, whose sum is σ = 222201211098. Its totient is φ = 222201211096.

The previous prime is 222201211079. The next prime is 222201211103. The reversal of 222201211097 is 790112102222.

Together with previous prime (222201211079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203095336921 + 19105874176 = 450661^2 + 138224^2 .

It is a cyclic number.

It is not a de Polignac number, because 222201211097 - 2⁸ = 222201210841 is a prime.

It is not a weakly prime, because it can be changed into another prime (222201211997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100605548 + 111100605549.

It is an arithmetic number, because the mean of its divisors is an integer number (111100605549).

Almost surely, 2^222201211097 is an apocalyptic number.

It is an amenable number.

222201211097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201211097 is an equidigital number, since it uses as much as digits as its factorization.

222201211097 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 29.

The spelling of 222201211097 in words is "two hundred twenty-two billion, two hundred one million, two hundred eleven thousand, ninety-seven".