10101010001 has 4 divisors (see below), whose sum is σ = 10107750000. Its totient is φ = 10094270004.

The previous prime is 10101009991. The next prime is 10101010009. The reversal of 10101010001 is 10001010101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10001010101 = 10181 ⋅982321.

It is a cyclic number.

It is not a de Polignac number, because 10101010001 - 2²² = 10096815697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101010009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367751 + ... + 3370748.

It is an arithmetic number, because the mean of its divisors is an integer number (2526937500).

Almost surely, 2^10101010001 is an apocalyptic number.

It is an amenable number.

10101010001 is a deficient number, since it is larger than the sum of its proper divisors (6739999).

10101010001 is an equidigital number, since it uses as much as digits as its factorization.

10101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739998.

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

Adding to 10101010001 its reverse (10001010101), we get a palindrome (20102020102).

The spelling of 10101010001 in words is "ten billion, one hundred one million, ten thousand, one".