11212320303133 has 2 divisors, whose sum is σ = 11212320303134. Its totient is φ = 11212320303132.

The previous prime is 11212320303077. The next prime is 11212320303143. The reversal of 11212320303133 is 33130302321211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9548328661369 + 1663991641764 = 3090037^2 + 1289958^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212320303133 - 2²⁹ = 11211783432221 is a prime.

It is a super-2 number, since 2×11212320303133² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212320303098 and 11212320303107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212320303143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606160151566 + 5606160151567.

It is an arithmetic number, because the mean of its divisors is an integer number (5606160151567).

Almost surely, 2^{11212320303133} is an apocalyptic number.

It is an amenable number.

11212320303133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212320303133 is an equidigital number, since it uses as much as digits as its factorization.

11212320303133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11212320303133 its reverse (33130302321211), we get a palindrome (44342622624344).

The spelling of 11212320303133 in words is "eleven trillion, two hundred twelve billion, three hundred twenty million, three hundred three thousand, one hundred thirty-three".