21331010201107 has 2 divisors, whose sum is σ = 21331010201108. Its totient is φ = 21331010201106.

The previous prime is 21331010201093. The next prime is 21331010201159. The reversal of 21331010201107 is 70110201013312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21331010201107 is a prime.

It is not a weakly prime, because it can be changed into another prime (21331010901107) 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, 10665505100553 + 10665505100554.

It is an arithmetic number, because the mean of its divisors is an integer number (10665505100554).

Almost surely, 2^{21331010201107} is an apocalyptic number.

21331010201107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331010201107 is an equidigital number, since it uses as much as digits as its factorization.

21331010201107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 21331010201107 its reverse (70110201013312), we get a palindrome (91441211214419).

The spelling of 21331010201107 in words is "twenty-one trillion, three hundred thirty-one billion, ten million, two hundred one thousand, one hundred seven".