110331221 has 16 divisors (see below), whose sum is σ = 148138368. Its totient is φ = 79358400.

The previous prime is 110331211. The next prime is 110331223. The reversal of 110331221 is 122133011.

It is not a de Polignac number, because 110331221 - 2¹⁸ = 110069077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110331196 and 110331205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54110 + ... + 56111.

It is an arithmetic number, because the mean of its divisors is an integer number (9258648).

Almost surely, 2^110331221 is an apocalyptic number.

110331221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110331221 is a deficient number, since it is larger than the sum of its proper divisors (37807147).

110331221 is a wasteful number, since it uses less digits than its factorization.

110331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110252.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 110331221 is about 10503.8669546030. The cubic root of 110331221 is about 479.6224186290.

Adding to 110331221 its reverse (122133011), we get a palindrome (232464232).

The spelling of 110331221 in words is "one hundred ten million, three hundred thirty-one thousand, two hundred twenty-one".