110110111111001 has 4 divisors (see below), whose sum is σ = 110110428086400. Its totient is φ = 110109794135604.

The previous prime is 110110111110947. The next prime is 110110111111019. The reversal of 110110111111001 is 100111111011011.

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 110110111111001 - 2³⁴ = 110092931241817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110110111111081) 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, 157966061 + ... + 158661578.

It is an arithmetic number, because the mean of its divisors is an integer number (27527607021600).

Almost surely, 2^{110110111111001} is an apocalyptic number.

It is an amenable number.

110110111111001 is a deficient number, since it is larger than the sum of its proper divisors (316975399).

110110111111001 is an equidigital number, since it uses as much as digits as its factorization.

110110111111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316975398.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 110110111111001 its reverse (100111111011011), we get a palindrome (210221222122012).

The spelling of 110110111111001 in words is "one hundred ten trillion, one hundred ten billion, one hundred eleven million, one hundred eleven thousand, one".