2311101811217 has 2 divisors, whose sum is σ = 2311101811218. Its totient is φ = 2311101811216.

The previous prime is 2311101811133. The next prime is 2311101811231. The reversal of 2311101811217 is 7121181011132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2301762328336 + 9339482881 = 1517156^2 + 96641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311101811217 - 2¹² = 2311101807121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2311101811217.

It is not a weakly prime, because it can be changed into another prime (2311101811267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155550905608 + 1155550905609.

It is an arithmetic number, because the mean of its divisors is an integer number (1155550905609).

Almost surely, 2^{2311101811217} is an apocalyptic number.

It is an amenable number.

2311101811217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311101811217 is an equidigital number, since it uses as much as digits as its factorization.

2311101811217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 29.

Adding to 2311101811217 its reverse (7121181011132), we get a palindrome (9432282822349).

The spelling of 2311101811217 in words is "two trillion, three hundred eleven billion, one hundred one million, eight hundred eleven thousand, two hundred seventeen".