21113201210041 has 2 divisors, whose sum is σ = 21113201210042. Its totient is φ = 21113201210040.

The previous prime is 21113201210021. The next prime is 21113201210117. The reversal of 21113201210041 is 14001210231112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13003264848016 + 8109936362025 = 3606004^2 + 2847795^2 .

It is a cyclic number.

It is not a de Polignac number, because 21113201210041 - 2³⁷ = 20975762256569 is a prime.

It is not a weakly prime, because it can be changed into another prime (21113201210021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556600605020 + 10556600605021.

It is an arithmetic number, because the mean of its divisors is an integer number (10556600605021).

Almost surely, 2^{21113201210041} is an apocalyptic number.

It is an amenable number.

21113201210041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113201210041 is an equidigital number, since it uses as much as digits as its factorization.

21113201210041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21113201210041 its reverse (14001210231112), we get a palindrome (35114411441153).

The spelling of 21113201210041 in words is "twenty-one trillion, one hundred thirteen billion, two hundred one million, two hundred ten thousand, forty-one".