21331011202241 has 8 divisors (see below), whose sum is σ = 22977272337600. Its totient is φ = 19685523512592.

The previous prime is 21331011202201. The next prime is 21331011202247. The reversal of 21331011202241 is 14220211013312.

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 21331011202241 - 2¹⁴ = 21331011185857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21331011202247) 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, 193304141 + ... + 193414458.

It is an arithmetic number, because the mean of its divisors is an integer number (2872159042200).

Almost surely, 2^{21331011202241} is an apocalyptic number.

It is an amenable number.

21331011202241 is a deficient number, since it is larger than the sum of its proper divisors (1646261135359).

21331011202241 is a wasteful number, since it uses less digits than its factorization.

21331011202241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386722855.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 21331011202241 its reverse (14220211013312), we get a palindrome (35551222215553).

The spelling of 21331011202241 in words is "twenty-one trillion, three hundred thirty-one billion, eleven million, two hundred two thousand, two hundred forty-one".