110233212231221 has 16 divisors (see below), whose sum is σ = 110834396593200. Its totient is φ = 109633712652288.

The previous prime is 110233212231203. The next prime is 110233212231227. The reversal of 110233212231221 is 122132212332011.

It can be written as a sum of positive squares in 8 ways, for example, as 7117615708996 + 103115596522225 = 2667886^2 + 10154585^2 .

It is a cyclic number.

It is not a de Polignac number, because 110233212231221 - 2⁶ = 110233212231157 is a prime.

It is a super-2 number, since 2×110233212231221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110233212231227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795035365 + ... + 1795096773.

It is an arithmetic number, because the mean of its divisors is an integer number (6927149787075).

Almost surely, 2^{110233212231221} is an apocalyptic number.

It is an amenable number.

110233212231221 is a deficient number, since it is larger than the sum of its proper divisors (601184361979).

110233212231221 is a wasteful number, since it uses less digits than its factorization.

110233212231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74968.

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

Adding to 110233212231221 its reverse (122132212332011), we get a palindrome (232365424563232).

The spelling of 110233212231221 in words is "one hundred ten trillion, two hundred thirty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred twenty-one".