212202011211097 has 2 divisors, whose sum is σ = 212202011211098. Its totient is φ = 212202011211096.

The previous prime is 212202011210947. The next prime is 212202011211167. The reversal of 212202011211097 is 790112110202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186800118890256 + 25401892320841 = 13667484^2 + 5040029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212202011211097 is a prime.

It is not a weakly prime, because it can be changed into another prime (212202011211997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101005605548 + 106101005605549.

It is an arithmetic number, because the mean of its divisors is an integer number (106101005605549).

Almost surely, 2^{212202011211097} is an apocalyptic number.

It is an amenable number.

212202011211097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202011211097 is an equidigital number, since it uses as much as digits as its factorization.

212202011211097 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 31.

The spelling of 212202011211097 in words is "two hundred twelve trillion, two hundred two billion, eleven million, two hundred eleven thousand, ninety-seven".