213042114224197 has 2 divisors, whose sum is σ = 213042114224198. Its totient is φ = 213042114224196.

The previous prime is 213042114224183. The next prime is 213042114224213. The reversal of 213042114224197 is 791422411240312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190638799454401 + 22403314769796 = 13807201^2 + 4733214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213042114224197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213042114224297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106521057112098 + 106521057112099.

It is an arithmetic number, because the mean of its divisors is an integer number (106521057112099).

Almost surely, 2^{213042114224197} is an apocalyptic number.

It is an amenable number.

213042114224197 is a deficient number, since it is larger than the sum of its proper divisors (1).

213042114224197 is an equidigital number, since it uses as much as digits as its factorization.

213042114224197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 213042114224197 in words is "two hundred thirteen trillion, forty-two billion, one hundred fourteen million, two hundred twenty-four thousand, one hundred ninety-seven".