211202121202097 has 2 divisors, whose sum is σ = 211202121202098. Its totient is φ = 211202121202096.

The previous prime is 211202121202057. The next prime is 211202121202129. The reversal of 211202121202097 is 790202121202112.

It is an a-pointer prime, because the next prime (211202121202129) can be obtained adding 211202121202097 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181267555582096 + 29934565620001 = 13463564^2 + 5471249^2 .

It is a cyclic number.

It is not a de Polignac number, because 211202121202097 - 2³⁶ = 211133401725361 is a prime.

It is a super-2 number, since 2×211202121202097² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211202121202057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601060601048 + 105601060601049.

It is an arithmetic number, because the mean of its divisors is an integer number (105601060601049).

Almost surely, 2^{211202121202097} is an apocalyptic number.

It is an amenable number.

211202121202097 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202121202097 is an equidigital number, since it uses as much as digits as its factorization.

211202121202097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 211202121202097 in words is "two hundred eleven trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, ninety-seven".