21727035204241 has 8 divisors (see below), whose sum is σ = 22018641374720. Its totient is φ = 21435843544128.

The previous prime is 21727035204223. The next prime is 21727035204263. The reversal of 21727035204241 is 14240253072712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21727035204241 - 2¹³ = 21727035196049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21727035204194 and 21727035204203.

It is not an unprimeable number, because it can be changed into a prime (21727035204841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103522056 + ... + 103731721.

It is an arithmetic number, because the mean of its divisors is an integer number (2752330171840).

Almost surely, 2^{21727035204241} is an apocalyptic number.

It is an amenable number.

21727035204241 is a deficient number, since it is larger than the sum of its proper divisors (291606170479).

21727035204241 is a wasteful number, since it uses less digits than its factorization.

21727035204241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207255183.

The product of its (nonzero) digits is 188160, while the sum is 40.

Adding to 21727035204241 its reverse (14240253072712), we get a palindrome (35967288276953).

The spelling of 21727035204241 in words is "twenty-one trillion, seven hundred twenty-seven billion, thirty-five million, two hundred four thousand, two hundred forty-one".