10214043221 has 2 divisors, whose sum is σ = 10214043222. Its totient is φ = 10214043220.

The previous prime is 10214043211. The next prime is 10214043239. The reversal of 10214043221 is 12234041201.

10214043221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9165190225 + 1048852996 = 95735^2 + 32386^2 .

It is an emirp because it is prime and its reverse (12234041201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10214043221 - 2⁶ = 10214043157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10214043193 and 10214043202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10214043211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107021610 + 5107021611.

It is an arithmetic number, because the mean of its divisors is an integer number (5107021611).

Almost surely, 2^10214043221 is an apocalyptic number.

It is an amenable number.

10214043221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10214043221 is an equidigital number, since it uses as much as digits as its factorization.

10214043221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10214043221 its reverse (12234041201), we get a palindrome (22448084422).

The spelling of 10214043221 in words is "ten billion, two hundred fourteen million, forty-three thousand, two hundred twenty-one".