11834141021 has 2 divisors, whose sum is σ = 11834141022. Its totient is φ = 11834141020.

The previous prime is 11834141003. The next prime is 11834141023. The reversal of 11834141021 is 12014143811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9107839225 + 2726301796 = 95435^2 + 52214^2 .

It is a cyclic number.

It is not a de Polignac number, because 11834141021 - 2⁶ = 11834140957 is a prime.

Together with 11834141023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11834141023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5917070510 + 5917070511.

It is an arithmetic number, because the mean of its divisors is an integer number (5917070511).

Almost surely, 2^11834141021 is an apocalyptic number.

It is an amenable number.

11834141021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11834141021 is an equidigital number, since it uses as much as digits as its factorization.

11834141021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 11834141021 its reverse (12014143811), we get a palindrome (23848284832).

The spelling of 11834141021 in words is "eleven billion, eight hundred thirty-four million, one hundred forty-one thousand, twenty-one".