2113501320197 has 2 divisors, whose sum is σ = 2113501320198. Its totient is φ = 2113501320196.

The previous prime is 2113501320193. The next prime is 2113501320223. The reversal of 2113501320197 is 7910231053112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1300909049476 + 812592270721 = 1140574^2 + 901439^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113501320197 - 2² = 2113501320193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113501320193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056750660098 + 1056750660099.

It is an arithmetic number, because the mean of its divisors is an integer number (1056750660099).

Almost surely, 2^{2113501320197} is an apocalyptic number.

It is an amenable number.

2113501320197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113501320197 is an equidigital number, since it uses as much as digits as its factorization.

2113501320197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 2113501320197 in words is "two trillion, one hundred thirteen billion, five hundred one million, three hundred twenty thousand, one hundred ninety-seven".