212210022097 has 2 divisors, whose sum is σ = 212210022098. Its totient is φ = 212210022096.

The previous prime is 212210021977. The next prime is 212210022161. The reversal of 212210022097 is 790220012212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142509270016 + 69700752081 = 377504^2 + 264009^2 .

It is a cyclic number.

It is not a de Polignac number, because 212210022097 - 2¹¹ = 212210020049 is a prime.

It is not a weakly prime, because it can be changed into another prime (212210028097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105011048 + 106105011049.

It is an arithmetic number, because the mean of its divisors is an integer number (106105011049).

Almost surely, 2^212210022097 is an apocalyptic number.

It is an amenable number.

212210022097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210022097 is an equidigital number, since it uses as much as digits as its factorization.

212210022097 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 28.

The spelling of 212210022097 in words is "two hundred twelve billion, two hundred ten million, twenty-two thousand, ninety-seven".