101101010001001 has 8 divisors (see below), whose sum is σ = 107602781754024. Its totient is φ = 94660866416640.

The previous prime is 101101010000957. The next prime is 101101010001031. The reversal of 101101010001001 is 100100010101101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4821643038976 + 96279366962025 = 2195824^2 + 9812205^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 101101010001001 - 2⁷ = 101101010000873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101101010001031) 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, 15407038780 + ... + 15407045341.

It is an arithmetic number, because the mean of its divisors is an integer number (13450347719253).

Almost surely, 2^{101101010001001} is an apocalyptic number.

It is an amenable number.

101101010001001 is a deficient number, since it is larger than the sum of its proper divisors (6501771753023).

101101010001001 is a wasteful number, since it uses less digits than its factorization.

101101010001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30814084331.

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

Adding to 101101010001001 its reverse (100100010101101), we get a palindrome (201201020102102).

The spelling of 101101010001001 in words is "one hundred one trillion, one hundred one billion, ten million, one thousand, one".