101010010001 has 4 divisors (see below), whose sum is σ = 101095540404. Its totient is φ = 100924479600.

The previous prime is 101010009967. The next prime is 101010010007. The reversal of 101010010001 is 100010010101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100010010101 = 206813 ⋅483577.

It can be written as a sum of positive squares in 2 ways, for example, as 62220313600 + 38789696401 = 249440^2 + 196951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101010010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101010010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42763430 + ... + 42765791.

It is an arithmetic number, because the mean of its divisors is an integer number (25273885101).

Almost surely, 2^101010010001 is an apocalyptic number.

It is an amenable number.

101010010001 is a deficient number, since it is larger than the sum of its proper divisors (85530403).

101010010001 is an equidigital number, since it uses as much as digits as its factorization.

101010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85530402.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 101010010001 its reverse (100010010101), we get a palindrome (201020020102).

The spelling of 101010010001 in words is "one hundred one billion, ten million, ten thousand, one".