21003341041 has 2 divisors, whose sum is σ = 21003341042. Its totient is φ = 21003341040.

The previous prime is 21003341027. The next prime is 21003341053. The reversal of 21003341041 is 14014330012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15211522225 + 5791818816 = 123335^2 + 76104^2 .

It is a cyclic number.

It is not a de Polignac number, because 21003341041 - 2³³ = 12413406449 is a prime.

It is a super-2 number, since 2×21003341041² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21003341071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501670520 + 10501670521.

It is an arithmetic number, because the mean of its divisors is an integer number (10501670521).

Almost surely, 2^21003341041 is an apocalyptic number.

It is an amenable number.

21003341041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21003341041 is an equidigital number, since it uses as much as digits as its factorization.

21003341041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21003341041 its reverse (14014330012), we get a palindrome (35017671053).

The spelling of 21003341041 in words is "twenty-one billion, three million, three hundred forty-one thousand, forty-one".