222121005097 has 2 divisors, whose sum is σ = 222121005098. Its totient is φ = 222121005096.

The previous prime is 222121005089. The next prime is 222121005179. The reversal of 222121005097 is 790500121222.

222121005097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199383682576 + 22737322521 = 446524^2 + 150789^2 .

It is a cyclic number.

It is not a de Polignac number, because 222121005097 - 2³ = 222121005089 is a prime.

It is not a weakly prime, because it can be changed into another prime (222121005077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060502548 + 111060502549.

It is an arithmetic number, because the mean of its divisors is an integer number (111060502549).

Almost surely, 2^222121005097 is an apocalyptic number.

It is an amenable number.

222121005097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121005097 is an equidigital number, since it uses as much as digits as its factorization.

222121005097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 222121005097 in words is "two hundred twenty-two billion, one hundred twenty-one million, five thousand, ninety-seven".