21414102221 has 8 divisors (see below), whose sum is σ = 22142555904. Its totient is φ = 20688003360.

The previous prime is 21414102197. The next prime is 21414102223. The reversal of 21414102221 is 12220141412.

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 21414102221 - 2¹⁰ = 21414101197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21414102193 and 21414102202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414102223) 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 7 ways as a sum of consecutive naturals, for example, 570200 + ... + 606593.

It is an arithmetic number, because the mean of its divisors is an integer number (2767819488).

Almost surely, 2^21414102221 is an apocalyptic number.

It is an amenable number.

21414102221 is a deficient number, since it is larger than the sum of its proper divisors (728453683).

21414102221 is a wasteful number, since it uses less digits than its factorization.

21414102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177411.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21414102221 its reverse (12220141412), we get a palindrome (33634243633).

The spelling of 21414102221 in words is "twenty-one billion, four hundred fourteen million, one hundred two thousand, two hundred twenty-one".