110101001101011 has 40 divisors (see below), whose sum is σ = 167292873039600. Its totient is φ = 72142201609920.

The previous prime is 110101001101001. The next prime is 110101001101087. The reversal of 110101001101011 is 110101100101011.

It is a de Polignac number, because none of the positive numbers 2^k-110101001101011 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 110101001100984 and 110101001101002.

It is not an unprimeable number, because it can be changed into a prime (110101001101001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21701145 + ... + 26289573.

It is an arithmetic number, because the mean of its divisors is an integer number (4182321825990).

Almost surely, 2^{110101001101011} is an apocalyptic number.

110101001101011 is a deficient number, since it is larger than the sum of its proper divisors (57191871938589).

110101001101011 is an equidigital number, since it uses as much as digits as its factorization.

110101001101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593521 (or 4593512 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 110101001101011 its reverse (110101100101011), we get a palindrome (220202101202022).

The spelling of 110101001101011 in words is "one hundred ten trillion, one hundred one billion, one million, one hundred one thousand, eleven".