221322123103211 has 16 divisors (see below), whose sum is σ = 239633321937408. Its totient is φ = 203195042601600.

The previous prime is 221322123103153. The next prime is 221322123103219. The reversal of 221322123103211 is 112301321223122.

221322123103211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221322123103211 - 2³⁴ = 221304943234027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221322123103219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8282705 + ... + 22610781.

It is an arithmetic number, because the mean of its divisors is an integer number (14977082621088).

Almost surely, 2^{221322123103211} is an apocalyptic number.

221322123103211 is a deficient number, since it is larger than the sum of its proper divisors (18311198834197).

221322123103211 is a wasteful number, since it uses less digits than its factorization.

221322123103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14334502.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 221322123103211 its reverse (112301321223122), we get a palindrome (333623444326333).

The spelling of 221322123103211 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, one hundred twenty-three million, one hundred three thousand, two hundred eleven".