14122100221 has 4 divisors (see below), whose sum is σ = 14123646592. Its totient is φ = 14120553852.

The previous prime is 14122100191. The next prime is 14122100233. The reversal of 14122100221 is 12200122141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14122100221 - 2²¹ = 14120003069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14122100195 and 14122100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14122100261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759405 + ... + 777778.

It is an arithmetic number, because the mean of its divisors is an integer number (3530911648).

Almost surely, 2^14122100221 is an apocalyptic number.

It is an amenable number.

14122100221 is a deficient number, since it is larger than the sum of its proper divisors (1546371).

14122100221 is an equidigital number, since it uses as much as digits as its factorization.

14122100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546370.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 14122100221 its reverse (12200122141), we get a palindrome (26322222362).

The spelling of 14122100221 in words is "fourteen billion, one hundred twenty-two million, one hundred thousand, two hundred twenty-one".