2113113200197 has 2 divisors, whose sum is σ = 2113113200198. Its totient is φ = 2113113200196.

The previous prime is 2113113200167. The next prime is 2113113200239. The reversal of 2113113200197 is 7910023113112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1853080515841 + 260032684356 = 1361279^2 + 509934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113113200197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113113200117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056556600098 + 1056556600099.

It is an arithmetic number, because the mean of its divisors is an integer number (1056556600099).

Almost surely, 2^{2113113200197} is an apocalyptic number.

It is an amenable number.

2113113200197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113113200197 is an equidigital number, since it uses as much as digits as its factorization.

2113113200197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 2113113200197 in words is "two trillion, one hundred thirteen billion, one hundred thirteen million, two hundred thousand, one hundred ninety-seven".