101010001001101 has 16 divisors (see below), whose sum is σ = 101638552460544. Its totient is φ = 100382682464064.

The previous prime is 101010001001099. The next prime is 101010001001159. The reversal of 101010001001101 is 101100100010101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101010001001101 - 2¹ = 101010001001099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010001031101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641959900 + ... + 642117226.

It is an arithmetic number, because the mean of its divisors is an integer number (6352409528784).

Almost surely, 2^{101010001001101} is an apocalyptic number.

It is an amenable number.

101010001001101 is a deficient number, since it is larger than the sum of its proper divisors (628551459443).

101010001001101 is a wasteful number, since it uses less digits than its factorization.

101010001001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161220.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101010001001101 its reverse (101100100010101), we get a palindrome (202110101011202).

The spelling of 101010001001101 in words is "one hundred one trillion, ten billion, one million, one thousand, one hundred one".