2102110001197 has 2 divisors, whose sum is σ = 2102110001198. Its totient is φ = 2102110001196.

The previous prime is 2102110001153. The next prime is 2102110001213. The reversal of 2102110001197 is 7911000112012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1523264450436 + 578845550761 = 1234206^2 + 760819^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102110001197 - 2³⁹ = 1552354187309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102110001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051055000598 + 1051055000599.

It is an arithmetic number, because the mean of its divisors is an integer number (1051055000599).

Almost surely, 2^{2102110001197} is an apocalyptic number.

It is an amenable number.

2102110001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102110001197 is an equidigital number, since it uses as much as digits as its factorization.

2102110001197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 2102110001197 in words is "two trillion, one hundred two billion, one hundred ten million, one thousand, one hundred ninety-seven".