21111003311059 has 2 divisors, whose sum is σ = 21111003311060. Its totient is φ = 21111003311058.

The previous prime is 21111003311051. The next prime is 21111003311081. The reversal of 21111003311059 is 95011330011112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21111003311059 - 2³ = 21111003311051 is a prime.

It is a super-2 number, since 2×21111003311059² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21111003311051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555501655529 + 10555501655530.

It is an arithmetic number, because the mean of its divisors is an integer number (10555501655530).

Almost surely, 2^{21111003311059} is an apocalyptic number.

21111003311059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21111003311059 is an equidigital number, since it uses as much as digits as its factorization.

21111003311059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 28.

The spelling of 21111003311059 in words is "twenty-one trillion, one hundred eleven billion, three million, three hundred eleven thousand, fifty-nine".