21411444224210 has 8 divisors (see below), whose sum is σ = 38540599603596. Its totient is φ = 8564577689680.

The previous prime is 21411444224189. The next prime is 21411444224237. The reversal of 21411444224210 is 1242244411412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20758985777209 + 652458447001 = 4556203^2 + 807749^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070572211201 + ... + 1070572211220.

Almost surely, 2^{21411444224210} is an apocalyptic number.

21411444224210 is a deficient number, since it is larger than the sum of its proper divisors (17129155379386).

21411444224210 is a wasteful number, since it uses less digits than its factorization.

21411444224210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141144422428.

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 21411444224210 its reverse (1242244411412), we get a palindrome (22653688635622).

The spelling of 21411444224210 in words is "twenty-one trillion, four hundred eleven billion, four hundred forty-four million, two hundred twenty-four thousand, two hundred ten".