110011101010101 has 12 divisors (see below), whose sum is σ = 163199651348812. Its totient is φ = 71358552006336.

The previous prime is 110011101010073. The next prime is 110011101010103. The reversal of 110011101010101 is 101010101110011.

It can be written as a sum of positive squares in 2 ways, for example, as 105838293875076 + 4172807135025 = 10287774^2 + 2042745^2 .

It is not a de Polignac number, because 110011101010101 - 2¹⁰ = 110011101009077 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011101010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165181833016 + ... + 165181833681.

Almost surely, 2^{110011101010101} is an apocalyptic number.

It is an amenable number.

110011101010101 is a deficient number, since it is larger than the sum of its proper divisors (53188550338711).

110011101010101 is a wasteful number, since it uses less digits than its factorization.

110011101010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330363666740 (or 330363666737 counting only the distinct ones).

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

Adding to 110011101010101 its reverse (101010101110011), we get a palindrome (211021202120112).

It can be divided in two parts, 110011 and 101010101, that multiplied together give a palindrome (11112222221111).

The spelling of 110011101010101 in words is "one hundred ten trillion, eleven billion, one hundred one million, ten thousand, one hundred one".