110002110121 has 4 divisors (see below), whose sum is σ = 110002875732. Its totient is φ = 110001344512.

The previous prime is 110002110089. The next prime is 110002110157. The reversal of 110002110121 is 121011200011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 89341210000 + 20660900121 = 298900^2 + 143739^2 .

It is a cyclic number.

It is not a de Polignac number, because 110002110121 - 2⁵ = 110002110089 is a prime.

It is a super-2 number, since 2×110002110121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110002110098 and 110002110107.

It is not an unprimeable number, because it can be changed into a prime (110002110221) 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, 95320 + ... + 478633.

It is an arithmetic number, because the mean of its divisors is an integer number (27500718933).

Almost surely, 2^110002110121 is an apocalyptic number.

It is an amenable number.

110002110121 is a deficient number, since it is larger than the sum of its proper divisors (765611).

110002110121 is an equidigital number, since it uses as much as digits as its factorization.

110002110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765610.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110002110121 its reverse (121011200011), we get a palindrome (231013310132).

The spelling of 110002110121 in words is "one hundred ten billion, two million, one hundred ten thousand, one hundred twenty-one".