11134423104221 has 2 divisors, whose sum is σ = 11134423104222. Its totient is φ = 11134423104220.

The previous prime is 11134423104209. The next prime is 11134423104251. The reversal of 11134423104221 is 12240132443111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11107522512025 + 26900592196 = 3332795^2 + 164014^2 .

It is an emirp because it is prime and its reverse (12240132443111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11134423104221 - 2⁶ = 11134423104157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11134423104251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567211552110 + 5567211552111.

It is an arithmetic number, because the mean of its divisors is an integer number (5567211552111).

Almost surely, 2^{11134423104221} is an apocalyptic number.

It is an amenable number.

11134423104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11134423104221 is an equidigital number, since it uses as much as digits as its factorization.

11134423104221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 11134423104221 its reverse (12240132443111), we get a palindrome (23374555547332).

The spelling of 11134423104221 in words is "eleven trillion, one hundred thirty-four billion, four hundred twenty-three million, one hundred four thousand, two hundred twenty-one".