221213201123333 has 32 divisors (see below), whose sum is σ = 239650063027200. Its totient is φ = 203433946619904.

The previous prime is 221213201123293. The next prime is 221213201123347. The reversal of 221213201123333 is 333321102312122.

It is a cyclic number.

It is not a de Polignac number, because 221213201123333 - 2³⁸ = 220938323216389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221213201123296 and 221213201123305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221213201123933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2803001648 + ... + 2803080566.

It is an arithmetic number, because the mean of its divisors is an integer number (7489064469600).

Almost surely, 2^{221213201123333} is an apocalyptic number.

It is an amenable number.

221213201123333 is a deficient number, since it is larger than the sum of its proper divisors (18436861903867).

221213201123333 is a wasteful number, since it uses less digits than its factorization.

221213201123333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100629.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 221213201123333 its reverse (333321102312122), we get a palindrome (554534303435455).

The spelling of 221213201123333 in words is "two hundred twenty-one trillion, two hundred thirteen billion, two hundred one million, one hundred twenty-three thousand, three hundred thirty-three".