21323210221214 has 16 divisors (see below), whose sum is σ = 35212640736240. Its totient is φ = 9603447471360.

The previous prime is 21323210221151. The next prime is 21323210221273. The reversal of 21323210221214 is 41212201232312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446038099 + ... + 4446042894.

It is an arithmetic number, because the mean of its divisors is an integer number (2200790046015).

Almost surely, 2^{21323210221214} is an apocalyptic number.

21323210221214 is a deficient number, since it is larger than the sum of its proper divisors (13889430515026).

21323210221214 is a wasteful number, since it uses less digits than its factorization.

21323210221214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892081115.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21323210221214 its reverse (41212201232312), we get a palindrome (62535411453526).

The spelling of 21323210221214 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred ten million, two hundred twenty-one thousand, two hundred fourteen".