11211444204143 has 2 divisors, whose sum is σ = 11211444204144. Its totient is φ = 11211444204142.

The previous prime is 11211444204131. The next prime is 11211444204151. The reversal of 11211444204143 is 34140244411211.

11211444204143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11211444204143 - 2⁴ = 11211444204127 is a prime.

It is a super-2 number, since 2×11211444204143² (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 (11211444204173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605722102071 + 5605722102072.

It is an arithmetic number, because the mean of its divisors is an integer number (5605722102072).

Almost surely, 2^{11211444204143} is an apocalyptic number.

11211444204143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211444204143 is an equidigital number, since it uses as much as digits as its factorization.

11211444204143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 11211444204143 its reverse (34140244411211), we get a palindrome (45351688615354).

The spelling of 11211444204143 in words is "eleven trillion, two hundred eleven billion, four hundred forty-four million, two hundred four thousand, one hundred forty-three".