11442004121 has 2 divisors, whose sum is σ = 11442004122. Its totient is φ = 11442004120.

The previous prime is 11442004103. The next prime is 11442004129. The reversal of 11442004121 is 12140024411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9445701721 + 1996302400 = 97189^2 + 44680^2 .

It is a cyclic number.

It is not a de Polignac number, because 11442004121 - 2¹⁴ = 11441987737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11442004093 and 11442004102.

It is not a weakly prime, because it can be changed into another prime (11442004129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721002060 + 5721002061.

It is an arithmetic number, because the mean of its divisors is an integer number (5721002061).

Almost surely, 2^11442004121 is an apocalyptic number.

It is an amenable number.

11442004121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11442004121 is an equidigital number, since it uses as much as digits as its factorization.

11442004121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11442004121 its reverse (12140024411), we get a palindrome (23582028532).

The spelling of 11442004121 in words is "eleven billion, four hundred forty-two million, four thousand, one hundred twenty-one".