2122005716197 has 2 divisors, whose sum is σ = 2122005716198. Its totient is φ = 2122005716196.

The previous prime is 2122005716119. The next prime is 2122005716249. The reversal of 2122005716197 is 7916175002212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2046885321636 + 75120394561 = 1430694^2 + 274081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122005716197 - 2³⁹ = 1572249902309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122005716797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061002858098 + 1061002858099.

It is an arithmetic number, because the mean of its divisors is an integer number (1061002858099).

Almost surely, 2^{2122005716197} is an apocalyptic number.

It is an amenable number.

2122005716197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122005716197 is an equidigital number, since it uses as much as digits as its factorization.

2122005716197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 2122005716197 in words is "two trillion, one hundred twenty-two billion, five million, seven hundred sixteen thousand, one hundred ninety-seven".