110110101001001 has 4 divisors (see below), whose sum is σ = 110110127542212. Its totient is φ = 110110074459792.

The previous prime is 110110101000989. The next prime is 110110101001037. The reversal of 110110101001001 is 100100101011011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52709400495376 + 57400700505625 = 7260124^2 + 7576325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110110101001001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110110101001001.

It is not an unprimeable number, because it can be changed into a prime (110110101001091) 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, 5550650 + ... + 15843923.

It is an arithmetic number, because the mean of its divisors is an integer number (27527531885553).

Almost surely, 2^{110110101001001} is an apocalyptic number.

It is an amenable number.

110110101001001 is a deficient number, since it is larger than the sum of its proper divisors (26541211).

110110101001001 is an equidigital number, since it uses as much as digits as its factorization.

110110101001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26541210.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 110110101001001 its reverse (100100101011011), we get a palindrome (210210202012012).

The spelling of 110110101001001 in words is "one hundred ten trillion, one hundred ten billion, one hundred one million, one thousand, one".