21142010535341 has 2 divisors, whose sum is σ = 21142010535342. Its totient is φ = 21142010535340.

The previous prime is 21142010535311. The next prime is 21142010535409. The reversal of 21142010535341 is 14353501024112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16790735522500 + 4351275012841 = 4097650^2 + 2085971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21142010535341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21142010535298 and 21142010535307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21142010535311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10571005267670 + 10571005267671.

It is an arithmetic number, because the mean of its divisors is an integer number (10571005267671).

Almost surely, 2^{21142010535341} is an apocalyptic number.

It is an amenable number.

21142010535341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21142010535341 is an equidigital number, since it uses as much as digits as its factorization.

21142010535341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 21142010535341 its reverse (14353501024112), we get a palindrome (35495511559453).

The spelling of 21142010535341 in words is "twenty-one trillion, one hundred forty-two billion, ten million, five hundred thirty-five thousand, three hundred forty-one".