14211214422221 has 8 divisors (see below), whose sum is σ = 14336602504824. Its totient is φ = 14086140203520.

The previous prime is 14211214422211. The next prime is 14211214422227. The reversal of 14211214422221 is 12222441211241.

It can be written as a sum of positive squares in 4 ways, for example, as 2949854340196 + 11261360082025 = 1717514^2 + 3355795^2 .

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 14211214422221 - 2³⁰ = 14210140680397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14211214422227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78375020 + ... + 78556133.

It is an arithmetic number, because the mean of its divisors is an integer number (1792075313103).

Almost surely, 2^{14211214422221} is an apocalyptic number.

It is an amenable number.

14211214422221 is a deficient number, since it is larger than the sum of its proper divisors (125388082603).

14211214422221 is a wasteful number, since it uses less digits than its factorization.

14211214422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156931951.

The product of its digits is 4096, while the sum is 29.

Adding to 14211214422221 its reverse (12222441211241), we get a palindrome (26433655633462).

The spelling of 14211214422221 in words is "fourteen trillion, two hundred eleven billion, two hundred fourteen million, four hundred twenty-two thousand, two hundred twenty-one".