101010010001001 has 32 divisors (see below), whose sum is σ = 137530034839680. Its totient is φ = 65928638582784.

The previous prime is 101010010000943. The next prime is 101010010001029. The reversal of 101010010001001 is 100100010010101.

It is not a de Polignac number, because 101010010001001 - 2⁶ = 101010010000937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101010010001081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526126641 + ... + 526318593.

It is an arithmetic number, because the mean of its divisors is an integer number (4297813588740).

Almost surely, 2^{101010010001001} is an apocalyptic number.

It is an amenable number.

101010010001001 is a deficient number, since it is larger than the sum of its proper divisors (36520024838679).

101010010001001 is a wasteful number, since it uses less digits than its factorization.

101010010001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209705.

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

Adding to 101010010001001 its reverse (100100010010101), we get a palindrome (201110020011102).

The spelling of 101010010001001 in words is "one hundred one trillion, ten billion, ten million, one thousand, one".