110001010121 has 4 divisors (see below), whose sum is σ = 112076500932. Its totient is φ = 107925519312.

The previous prime is 110001010117. The next prime is 110001010123. The reversal of 110001010121 is 121010100011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121010100011 = 1031 ⋅117371581.

It can be written as a sum of positive squares in 2 ways, for example, as 79309824400 + 30691185721 = 281620^2 + 175189^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001010121 - 2² = 110001010117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110001010099 and 110001010108.

It is not an unprimeable number, because it can be changed into a prime (110001010123) 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, 1037745326 + ... + 1037745431.

It is an arithmetic number, because the mean of its divisors is an integer number (28019125233).

Almost surely, 2^110001010121 is an apocalyptic number.

It is an amenable number.

110001010121 is a deficient number, since it is larger than the sum of its proper divisors (2075490811).

110001010121 is an equidigital number, since it uses as much as digits as its factorization.

110001010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075490810.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 110001010121 its reverse (121010100011), we get a palindrome (231011110132).

The spelling of 110001010121 in words is "one hundred ten billion, one million, ten thousand, one hundred twenty-one".