11011210010197 has 2 divisors, whose sum is σ = 11011210010198. Its totient is φ = 11011210010196.

The previous prime is 11011210010173. The next prime is 11011210010219. The reversal of 11011210010197 is 79101001211011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8105443164036 + 2905766846161 = 2847006^2 + 1704631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011210010197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011210010597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505605005098 + 5505605005099.

It is an arithmetic number, because the mean of its divisors is an integer number (5505605005099).

Almost surely, 2^{11011210010197} is an apocalyptic number.

It is an amenable number.

11011210010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011210010197 is an equidigital number, since it uses as much as digits as its factorization.

11011210010197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 11011210010197 in words is "eleven trillion, eleven billion, two hundred ten million, ten thousand, one hundred ninety-seven".