14663105111221 has 8 divisors (see below), whose sum is σ = 17147551492544. Its totient is φ = 12276087999840.

The previous prime is 14663105111219. The next prime is 14663105111233. The reversal of 14663105111221 is 12211150136641.

14663105111221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14663105111221 - 2¹ = 14663105111219 is a prime.

It is a super-2 number, since 2×14663105111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14663105111021) 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, 24357317160 + ... + 24357317761.

It is an arithmetic number, because the mean of its divisors is an integer number (2143443936568).

Almost surely, 2^{14663105111221} is an apocalyptic number.

It is an amenable number.

14663105111221 is a deficient number, since it is larger than the sum of its proper divisors (2484446381323).

14663105111221 is an equidigital number, since it uses as much as digits as its factorization.

14663105111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48714634971.

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 14663105111221 its reverse (12211150136641), we get a palindrome (26874255247862).

The spelling of 14663105111221 in words is "fourteen trillion, six hundred sixty-three billion, one hundred five million, one hundred eleven thousand, two hundred twenty-one".