21044333210107 has 2 divisors, whose sum is σ = 21044333210108. Its totient is φ = 21044333210106.

The previous prime is 21044333210057. The next prime is 21044333210111. The reversal of 21044333210107 is 70101233344012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21044333210107 - 2²⁷ = 21044198992379 is a prime.

It is not a weakly prime, because it can be changed into another prime (21044333210177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10522166605053 + 10522166605054.

It is an arithmetic number, because the mean of its divisors is an integer number (10522166605054).

Almost surely, 2^{21044333210107} is an apocalyptic number.

21044333210107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21044333210107 is an equidigital number, since it uses as much as digits as its factorization.

21044333210107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 21044333210107 its reverse (70101233344012), we get a palindrome (91145566554119).

The spelling of 21044333210107 in words is "twenty-one trillion, forty-four billion, three hundred thirty-three million, two hundred ten thousand, one hundred seven".