110002011121 has 4 divisors (see below), whose sum is σ = 112684987044. Its totient is φ = 107319035200.

The previous prime is 110002011109. The next prime is 110002011131. The reversal of 110002011121 is 121110200011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121110200011 = 97 ⋅1248558763.

It can be written as a sum of positive squares in 2 ways, for example, as 36039225600 + 73962785521 = 189840^2 + 271961^2 .

It is a cyclic number.

It is not a de Polignac number, because 110002011121 - 2²⁷ = 109867793393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110002011098 and 110002011107.

It is not an unprimeable number, because it can be changed into a prime (110002011131) 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, 1341487900 + ... + 1341487981.

It is an arithmetic number, because the mean of its divisors is an integer number (28171246761).

Almost surely, 2^110002011121 is an apocalyptic number.

It is an amenable number.

110002011121 is a deficient number, since it is larger than the sum of its proper divisors (2682975923).

110002011121 is an equidigital number, since it uses as much as digits as its factorization.

110002011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682975922.

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

Adding to 110002011121 its reverse (121110200011), we get a palindrome (231112211132).

The spelling of 110002011121 in words is "one hundred ten billion, two million, eleven thousand, one hundred twenty-one".