11330111122213 has 4 divisors (see below), whose sum is σ = 12201658131628. Its totient is φ = 10458564112800.

The previous prime is 11330111122177. The next prime is 11330111122241. The reversal of 11330111122213 is 31222111103311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4089588086529 + 7240523035684 = 2022273^2 + 2690822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11330111122213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330111122273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435773504688 + ... + 435773504713.

It is an arithmetic number, because the mean of its divisors is an integer number (3050414532907).

Almost surely, 2^{11330111122213} is an apocalyptic number.

11330111122213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11330111122213 is a deficient number, since it is larger than the sum of its proper divisors (871547009415).

11330111122213 is an equidigital number, since it uses as much as digits as its factorization.

11330111122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871547009414.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11330111122213 its reverse (31222111103311), we get a palindrome (42552222225524).

The spelling of 11330111122213 in words is "eleven trillion, three hundred thirty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred thirteen".