11212204543 has 2 divisors, whose sum is σ = 11212204544. Its totient is φ = 11212204542.

The previous prime is 11212204517. The next prime is 11212204559. The reversal of 11212204543 is 34540221211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212204543 - 2⁵ = 11212204511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212204343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606102271 + 5606102272.

It is an arithmetic number, because the mean of its divisors is an integer number (5606102272).

Almost surely, 2^11212204543 is an apocalyptic number.

11212204543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212204543 is an equidigital number, since it uses as much as digits as its factorization.

11212204543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11212204543 its reverse (34540221211), we get a palindrome (45752425754).

The spelling of 11212204543 in words is "eleven billion, two hundred twelve million, two hundred four thousand, five hundred forty-three".