21214026559241 has 2 divisors, whose sum is σ = 21214026559242. Its totient is φ = 21214026559240.

The previous prime is 21214026559169. The next prime is 21214026559249. The reversal of 21214026559241 is 14295562041212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21162760090000 + 51266469241 = 4600300^2 + 226421^2 .

It is a cyclic number.

It is not a de Polignac number, because 21214026559241 - 2²² = 21214022364937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21214026559192 and 21214026559201.

It is not a weakly prime, because it can be changed into another prime (21214026559249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607013279620 + 10607013279621.

It is an arithmetic number, because the mean of its divisors is an integer number (10607013279621).

Almost surely, 2^{21214026559241} is an apocalyptic number.

It is an amenable number.

21214026559241 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214026559241 is an equidigital number, since it uses as much as digits as its factorization.

21214026559241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 21214026559241 in words is "twenty-one trillion, two hundred fourteen billion, twenty-six million, five hundred fifty-nine thousand, two hundred forty-one".