14202312111221 has 8 divisors (see below), whose sum is σ = 15299308114944. Its totient is φ = 13105960458480.

The previous prime is 14202312111203. The next prime is 14202312111263. The reversal of 14202312111221 is 12211121320241.

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 14202312111221 - 2¹⁴ = 14202312094837 is a prime.

It is a super-2 number, since 2×14202312111221² (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 (14202312111271) 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, 161041961 + ... + 161130126.

It is an arithmetic number, because the mean of its divisors is an integer number (1912413514368).

Almost surely, 2^{14202312111221} is an apocalyptic number.

It is an amenable number.

14202312111221 is a deficient number, since it is larger than the sum of its proper divisors (1096996003723).

14202312111221 is a wasteful number, since it uses less digits than its factorization.

14202312111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322175491.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 14202312111221 its reverse (12211121320241), we get a palindrome (26413433431462).

The spelling of 14202312111221 in words is "fourteen trillion, two hundred two billion, three hundred twelve million, one hundred eleven thousand, two hundred twenty-one".