110000121323221 has 4 divisors (see below), whose sum is σ = 110000148515244. Its totient is φ = 110000094131200.

The previous prime is 110000121323219. The next prime is 110000121323227. The reversal of 110000121323221 is 122323121000011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3145518620721 + 106854602702500 = 1773561^2 + 10337050^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000121323221 - 2¹ = 110000121323219 is a prime.

It is a super-3 number, since 3×110000121323221³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000121323227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179500 + ... + 16068181.

It is an arithmetic number, because the mean of its divisors is an integer number (27500037128811).

Almost surely, 2^{110000121323221} is an apocalyptic number.

It is an amenable number.

110000121323221 is a deficient number, since it is larger than the sum of its proper divisors (27192023).

110000121323221 is an equidigital number, since it uses as much as digits as its factorization.

110000121323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27192022.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 110000121323221 its reverse (122323121000011), we get a palindrome (232323242323232).

The spelling of 110000121323221 in words is "one hundred ten trillion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-one".