13444103110221 has 96 divisors (see below), whose sum is σ = 23941955036160. Its totient is φ = 7426571443200.

The previous prime is 13444103110219. The next prime is 13444103110309. The reversal of 13444103110221 is 12201130144431.

It is a happy number.

13444103110221 is a `hidden beast` number, since 1 + 3 + 444 + 103 + 110 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 13444103110221 - 2¹ = 13444103110219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444103110421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38254261 + ... + 38604101.

It is an arithmetic number, because the mean of its divisors is an integer number (249395364960).

Almost surely, 2^{13444103110221} is an apocalyptic number.

It is an amenable number.

13444103110221 is a deficient number, since it is larger than the sum of its proper divisors (10497851925939).

13444103110221 is a wasteful number, since it uses less digits than its factorization.

13444103110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350832 (or 350819 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13444103110221 its reverse (12201130144431), we get a palindrome (25645233254652).

The spelling of 13444103110221 in words is "thirteen trillion, four hundred forty-four billion, one hundred three million, one hundred ten thousand, two hundred twenty-one".