2100000032197 has 2 divisors, whose sum is σ = 2100000032198. Its totient is φ = 2100000032196.

The previous prime is 2100000032189. The next prime is 2100000032269. The reversal of 2100000032197 is 7912300000012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1798028900836 + 301971131361 = 1340906^2 + 549519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100000032197 - 2³ = 2100000032189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100000032797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050000016098 + 1050000016099.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000016099).

Almost surely, 2^{2100000032197} is an apocalyptic number.

It is an amenable number.

2100000032197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100000032197 is an equidigital number, since it uses as much as digits as its factorization.

2100000032197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The spelling of 2100000032197 in words is "two trillion, one hundred billion, thirty-two thousand, one hundred ninety-seven".