11212320303143 has 2 divisors, whose sum is σ = 11212320303144. Its totient is φ = 11212320303142.

The previous prime is 11212320303133. The next prime is 11212320303211. The reversal of 11212320303143 is 34130302321211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212320303143 - 2¹⁴ = 11212320286759 is a prime.

It is a super-2 number, since 2×11212320303143² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212320303133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606160151571 + 5606160151572.

It is an arithmetic number, because the mean of its divisors is an integer number (5606160151572).

Almost surely, 2^{11212320303143} is an apocalyptic number.

11212320303143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212320303143 is an equidigital number, since it uses as much as digits as its factorization.

11212320303143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11212320303143 its reverse (34130302321211), we get a palindrome (45342622624354).

The spelling of 11212320303143 in words is "eleven trillion, two hundred twelve billion, three hundred twenty million, three hundred three thousand, one hundred forty-three".