101001111001101 has 24 divisors (see below), whose sum is σ = 146239527376800. Its totient is φ = 67172986994400.

The previous prime is 101001111001097. The next prime is 101001111001157. The reversal of 101001111001101 is 101100111100101.

It is not a de Polignac number, because 101001111001101 - 2² = 101001111001097 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001111001501) 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, 260864866 + ... + 261251756.

It is an arithmetic number, because the mean of its divisors is an integer number (6093313640700).

Almost surely, 2^{101001111001101} is an apocalyptic number.

It is an amenable number.

101001111001101 is a deficient number, since it is larger than the sum of its proper divisors (45238416375699).

101001111001101 is a wasteful number, since it uses less digits than its factorization.

101001111001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456217 (or 456214 counting only the distinct ones).

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

Adding to 101001111001101 its reverse (101100111100101), we get a palindrome (202101222101202).

The spelling of 101001111001101 in words is "one hundred one trillion, one billion, one hundred eleven million, one thousand, one hundred one".