221233223330011 has 16 divisors (see below), whose sum is σ = 234661814307648. Its totient is φ = 208122859929600.

The previous prime is 221233223329991. The next prime is 221233223330017. The reversal of 221233223330011 is 110033322332122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221233223330011 - 2²⁵ = 221233189775579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221233223330017) 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, 4526155 + ... + 21516331.

It is an arithmetic number, because the mean of its divisors is an integer number (14666363394228).

Almost surely, 2^{221233223330011} is an apocalyptic number.

221233223330011 is a deficient number, since it is larger than the sum of its proper divisors (13428590977637).

221233223330011 is a wasteful number, since it uses less digits than its factorization.

221233223330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999542.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 221233223330011 its reverse (110033322332122), we get a palindrome (331266545662133).

The spelling of 221233223330011 in words is "two hundred twenty-one trillion, two hundred thirty-three billion, two hundred twenty-three million, three hundred thirty thousand, eleven".