110204343221 has 12 divisors (see below), whose sum is σ = 128250597132. Its totient is φ = 94421291328.

The previous prime is 110204343121. The next prime is 110204343241. The reversal of 110204343221 is 122343402011.

It can be written as a sum of positive squares in 2 ways, for example, as 5503562596 + 104700780625 = 74186^2 + 323575^2 .

It is a de Polignac number, because none of the positive numbers 2^k-110204343221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110204343241) 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 11 ways as a sum of consecutive naturals, for example, 352670 + ... + 587183.

It is an arithmetic number, because the mean of its divisors is an integer number (10687549761).

Almost surely, 2^110204343221 is an apocalyptic number.

It is an amenable number.

110204343221 is a deficient number, since it is larger than the sum of its proper divisors (18046253911).

110204343221 is an equidigital number, since it uses as much as digits as its factorization.

110204343221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942260 (or 942253 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 110204343221 its reverse (122343402011), we get a palindrome (232547745232).

The spelling of 110204343221 in words is "one hundred ten billion, two hundred four million, three hundred forty-three thousand, two hundred twenty-one".