21214026552241 has 8 divisors (see below), whose sum is σ = 21216697286400. Its totient is φ = 21211356005280.

The previous prime is 21214026552233. The next prime is 21214026552253. The reversal of 21214026552241 is 14225562041212.

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 21214026552241 - 2³ = 21214026552233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21214026552241.

It is not an unprimeable number, because it can be changed into a prime (21214026559241) 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, 498323205 + ... + 498365773.

It is an arithmetic number, because the mean of its divisors is an integer number (2652087160800).

Almost surely, 2^{21214026552241} is an apocalyptic number.

It is an amenable number.

21214026552241 is a deficient number, since it is larger than the sum of its proper divisors (2670734159).

21214026552241 is a wasteful number, since it uses less digits than its factorization.

21214026552241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93599.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 21214026552241 its reverse (14225562041212), we get a palindrome (35439588593453).

The spelling of 21214026552241 in words is "twenty-one trillion, two hundred fourteen billion, twenty-six million, five hundred fifty-two thousand, two hundred forty-one".