14214120021 has 12 divisors (see below), whose sum is σ = 20868089580. Its totient is φ = 9320734080.

The previous prime is 14214119993. The next prime is 14214120043. The reversal of 14214120021 is 12002141241.

14214120021 is a `hidden beast` number, since 1 + 421 + 41 + 200 + 2 + 1 = 666.

14214120021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1481480100 + 12732639921 = 38490^2 + 112839^2 .

It is not a de Polignac number, because 14214120021 - 2⁵ = 14214119989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14214119976 and 14214120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14214120421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12944916 + ... + 12946013.

It is an arithmetic number, because the mean of its divisors is an integer number (1739007465).

Almost surely, 2^14214120021 is an apocalyptic number.

It is an amenable number.

14214120021 is a deficient number, since it is larger than the sum of its proper divisors (6653969559).

14214120021 is a wasteful number, since it uses less digits than its factorization.

14214120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25890996 (or 25890993 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 14214120021 its reverse (12002141241), we get a palindrome (26216261262).

The spelling of 14214120021 in words is "fourteen billion, two hundred fourteen million, one hundred twenty thousand, twenty-one".