122220211097 has 2 divisors, whose sum is σ = 122220211098. Its totient is φ = 122220211096.

The previous prime is 122220211093. The next prime is 122220211121. The reversal of 122220211097 is 790112022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121686554896 + 533656201 = 348836^2 + 23101^2 .

It is a cyclic number.

It is not a de Polignac number, because 122220211097 - 2² = 122220211093 is a prime.

It is not a weakly prime, because it can be changed into another prime (122220211093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110105548 + 61110105549.

It is an arithmetic number, because the mean of its divisors is an integer number (61110105549).

Almost surely, 2^122220211097 is an apocalyptic number.

It is an amenable number.

122220211097 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220211097 is an equidigital number, since it uses as much as digits as its factorization.

122220211097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 122220211097 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred eleven thousand, ninety-seven".