110121020100121 has 8 divisors (see below), whose sum is σ = 116599006081224. Its totient is φ = 103643065109760.

The previous prime is 110121020100089. The next prime is 110121020100187. The reversal of 110121020100121 is 121001020121011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6715794505225 + 103405225594896 = 2591485^2 + 10168836^2 .

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 110121020100121 - 2⁵ = 110121020100089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110121020100821) 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 7 ways as a sum of consecutive naturals, for example, 223150 + ... + 14842231.

It is an arithmetic number, because the mean of its divisors is an integer number (14574875760153).

Almost surely, 2^{110121020100121} is an apocalyptic number.

It is an amenable number.

110121020100121 is a deficient number, since it is larger than the sum of its proper divisors (6477985981103).

110121020100121 is a wasteful number, since it uses less digits than its factorization.

110121020100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495371.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110121020100121 its reverse (121001020121011), we get a palindrome (231122040221132).

The spelling of 110121020100121 in words is "one hundred ten trillion, one hundred twenty-one billion, twenty million, one hundred thousand, one hundred twenty-one".