11211213043 has 2 divisors, whose sum is σ = 11211213044. Its totient is φ = 11211213042.

The previous prime is 11211212983. The next prime is 11211213059. The reversal of 11211213043 is 34031211211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11211213043 - 2¹⁷ = 11211081971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211213043.

It is not a weakly prime, because it can be changed into another prime (11211213943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605606521 + 5605606522.

It is an arithmetic number, because the mean of its divisors is an integer number (5605606522).

Almost surely, 2^11211213043 is an apocalyptic number.

11211213043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211213043 is an equidigital number, since it uses as much as digits as its factorization.

11211213043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11211213043 its reverse (34031211211), we get a palindrome (45242424254).

The spelling of 11211213043 in words is "eleven billion, two hundred eleven million, two hundred thirteen thousand, forty-three".