21334165333141 has 2 divisors, whose sum is σ = 21334165333142. Its totient is φ = 21334165333140.

The previous prime is 21334165333111. The next prime is 21334165333177. The reversal of 21334165333141 is 14133356143312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12069051194916 + 9265114138225 = 3474054^2 + 3043865^2 .

It is a cyclic number.

It is not a de Polignac number, because 21334165333141 - 2¹⁷ = 21334165202069 is a prime.

It is a super-2 number, since 2×21334165333141² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21334165333094 and 21334165333103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21334165333111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10667082666570 + 10667082666571.

It is an arithmetic number, because the mean of its divisors is an integer number (10667082666571).

Almost surely, 2^{21334165333141} is an apocalyptic number.

It is an amenable number.

21334165333141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21334165333141 is an equidigital number, since it uses as much as digits as its factorization.

21334165333141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 40.

The spelling of 21334165333141 in words is "twenty-one trillion, three hundred thirty-four billion, one hundred sixty-five million, three hundred thirty-three thousand, one hundred forty-one".