101101001111001 has 24 divisors (see below), whose sum is σ = 146617731936000. Its totient is φ = 67131749385312.

The previous prime is 101101001110999. The next prime is 101101001111059. The reversal of 101101001111001 is 100111100101101.

It is not a de Polignac number, because 101101001111001 - 2¹ = 101101001110999 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (101101001011001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3151960 + ... + 14564918.

It is an arithmetic number, because the mean of its divisors is an integer number (6109072164000).

Almost surely, 2^{101101001111001} is an apocalyptic number.

It is an amenable number.

101101001111001 is a deficient number, since it is larger than the sum of its proper divisors (45516730824999).

101101001111001 is a wasteful number, since it uses less digits than its factorization.

101101001111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416893 (or 11416890 counting only the distinct ones).

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

Adding to 101101001111001 its reverse (100111100101101), we get a palindrome (201212101212102).

The spelling of 101101001111001 in words is "one hundred one trillion, one hundred one billion, one million, one hundred eleven thousand, one".