14223430111221 has 32 divisors (see below), whose sum is σ = 22144540091520. Its totient is φ = 9011450351232.

The previous prime is 14223430111201. The next prime is 14223430111237. The reversal of 14223430111221 is 12211103432241.

14223430111221 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 430 + 1 + 1 + 1 + 221 = 666.

It is not a de Polignac number, because 14223430111221 - 2¹¹ = 14223430109173 is a prime.

It is a super-2 number, since 2×14223430111221² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223430111201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165511320 + ... + 165597233.

It is an arithmetic number, because the mean of its divisors is an integer number (692016877860).

Almost surely, 2^{14223430111221} is an apocalyptic number.

It is an amenable number.

14223430111221 is a deficient number, since it is larger than the sum of its proper divisors (7921109980299).

14223430111221 is a wasteful number, since it uses less digits than its factorization.

14223430111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331108642 (or 331108636 counting only the distinct ones).

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

Adding to 14223430111221 its reverse (12211103432241), we get a palindrome (26434533543462).

The spelling of 14223430111221 in words is "fourteen trillion, two hundred twenty-three billion, four hundred thirty million, one hundred eleven thousand, two hundred twenty-one".