211113132012361 has 2 divisors, whose sum is σ = 211113132012362. Its totient is φ = 211113132012360.

The previous prime is 211113132012317. The next prime is 211113132012439. The reversal of 211113132012361 is 163210231311112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207781846329600 + 3331285682761 = 14414640^2 + 1825181^2 .

It is a cyclic number.

It is not a de Polignac number, because 211113132012361 - 2¹⁹ = 211113131488073 is a prime.

It is not a weakly prime, because it can be changed into another prime (211113132016361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556566006180 + 105556566006181.

It is an arithmetic number, because the mean of its divisors is an integer number (105556566006181).

Almost surely, 2^{211113132012361} is an apocalyptic number.

It is an amenable number.

211113132012361 is a deficient number, since it is larger than the sum of its proper divisors (1).

211113132012361 is an equidigital number, since it uses as much as digits as its factorization.

211113132012361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 211113132012361 its reverse (163210231311112), we get a palindrome (374323363323473).

The spelling of 211113132012361 in words is "two hundred eleven trillion, one hundred thirteen billion, one hundred thirty-two million, twelve thousand, three hundred sixty-one".