110121022222121 has 8 divisors (see below), whose sum is σ = 113946131443080. Its totient is φ = 106297768507392.

The previous prime is 110121022222111. The next prime is 110121022222153. The reversal of 110121022222121 is 121222220121011.

It can be written as a sum of positive squares in 4 ways, for example, as 12438240650521 + 97682781571600 = 3526789^2 + 9883460^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110121022222121 - 2¹⁴ = 110121022205737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110121022222093 and 110121022222102.

It is not an unprimeable number, because it can be changed into a prime (110121022222111) 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 7 ways as a sum of consecutive naturals, for example, 463755800 + ... + 463993193.

It is an arithmetic number, because the mean of its divisors is an integer number (14243266430385).

Almost surely, 2^{110121022222121} is an apocalyptic number.

It is an amenable number.

110121022222121 is a deficient number, since it is larger than the sum of its proper divisors (3825109220959).

110121022222121 is an equidigital number, since it uses as much as digits as its factorization.

110121022222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927753115.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110121022222121 its reverse (121222220121011), we get a palindrome (231343242343132).

The spelling of 110121022222121 in words is "one hundred ten trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".