11010101001 has 8 divisors (see below), whose sum is σ = 14825482944. Its totient is φ = 7267393200.

The previous prime is 11010100991. The next prime is 11010101041. The reversal of 11010101001 is 10010101011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11010101001 - 2²⁵ = 10976546569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11010101041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18168181 + ... + 18168786.

It is an arithmetic number, because the mean of its divisors is an integer number (1853185368).

Almost surely, 2^11010101001 is an apocalyptic number.

It is an amenable number.

11010101001 is a deficient number, since it is larger than the sum of its proper divisors (3815381943).

11010101001 is a wasteful number, since it uses less digits than its factorization.

11010101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36337071.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 11010101001 its reverse (10010101011), we get a palindrome (21020202012).

It can be divided in two parts, 1101010 and 1001, that added together give a palindrome (1102011).

The spelling of 11010101001 in words is "eleven billion, ten million, one hundred one thousand, one".