21001303301107 has 2 divisors, whose sum is σ = 21001303301108. Its totient is φ = 21001303301106.

The previous prime is 21001303301087. The next prime is 21001303301113. The reversal of 21001303301107 is 70110330310012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21001303301107 is a prime.

It is not a weakly prime, because it can be changed into another prime (21001303301177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500651650553 + 10500651650554.

It is an arithmetic number, because the mean of its divisors is an integer number (10500651650554).

Almost surely, 2^{21001303301107} is an apocalyptic number.

21001303301107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21001303301107 is an equidigital number, since it uses as much as digits as its factorization.

21001303301107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 21001303301107 its reverse (70110330310012), we get a palindrome (91111633611119).

The spelling of 21001303301107 in words is "twenty-one trillion, one billion, three hundred three million, three hundred one thousand, one hundred seven".