110011000121 has 4 divisors (see below), whose sum is σ = 120012000144. Its totient is φ = 100010000100.

The previous prime is 110011000111. The next prime is 110011000133. The reversal of 110011000121 is 121000110011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110011000121 - 2²² = 110006805817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110011000099 and 110011000108.

It is not an unprimeable number, because it can be changed into a prime (110011000111) 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 3 ways as a sum of consecutive naturals, for example, 5000499995 + ... + 5000500016.

It is an arithmetic number, because the mean of its divisors is an integer number (30003000036).

Almost surely, 2^110011000121 is an apocalyptic number.

110011000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110011000121 is a deficient number, since it is larger than the sum of its proper divisors (10001000023).

110011000121 is a wasteful number, since it uses less digits than its factorization.

110011000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001000022.

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

Adding to 110011000121 its reverse (121000110011), we get a palindrome (231011110132).

The spelling of 110011000121 in words is "one hundred ten billion, eleven million, one hundred twenty-one", and thus it is an aban number.