110110010121 has 20 divisors (see below), whose sum is σ = 164494917972. Its totient is φ = 73402391808.

The previous prime is 110110010099. The next prime is 110110010149. The reversal of 110110010121 is 121010011011.

It can be written as a sum of positive squares in 2 ways, for example, as 25603520121 + 84506490000 = 160011^2 + 290700^2 .

It is not a de Polignac number, because 110110010121 - 2⁷ = 110110009993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (110110010921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2003805 + ... + 2058021.

Almost surely, 2^110110010121 is an apocalyptic number.

It is an amenable number.

110110010121 is a deficient number, since it is larger than the sum of its proper divisors (54384907851).

110110010121 is an equidigital number, since it uses as much as digits as its factorization.

110110010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79302 (or 79293 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 110110010121 its reverse (121010011011), we get a palindrome (231120021132).

The spelling of 110110010121 in words is "one hundred ten billion, one hundred ten million, ten thousand, one hundred twenty-one".