11231211301333 has 2 divisors, whose sum is σ = 11231211301334. Its totient is φ = 11231211301332.

The previous prime is 11231211301327. The next prime is 11231211301351. The reversal of 11231211301333 is 33310311213211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502943707569 + 4728267593764 = 2550087^2 + 2174458^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231211301333 - 2⁹ = 11231211300821 is a prime.

It is a super-2 number, since 2×11231211301333² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231211301298 and 11231211301307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231211301133) 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, 5615605650666 + 5615605650667.

It is an arithmetic number, because the mean of its divisors is an integer number (5615605650667).

Almost surely, 2^{11231211301333} is an apocalyptic number.

It is an amenable number.

11231211301333 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231211301333 is an equidigital number, since it uses as much as digits as its factorization.

11231211301333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11231211301333 its reverse (33310311213211), we get a palindrome (44541522514544).

The spelling of 11231211301333 in words is "eleven trillion, two hundred thirty-one billion, two hundred eleven million, three hundred one thousand, three hundred thirty-three".