21331121013359 has 2 divisors, whose sum is σ = 21331121013360. Its totient is φ = 21331121013358.

The previous prime is 21331121013353. The next prime is 21331121013431. The reversal of 21331121013359 is 95331012113312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21331121013359 - 2⁴ = 21331121013343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21331121013353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665560506679 + 10665560506680.

It is an arithmetic number, because the mean of its divisors is an integer number (10665560506680).

Almost surely, 2^{21331121013359} is an apocalyptic number.

21331121013359 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331121013359 is an equidigital number, since it uses as much as digits as its factorization.

21331121013359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 21331121013359 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred twenty-one million, thirteen thousand, three hundred fifty-nine".