101010101000009 has 4 divisors (see below), whose sum is σ = 104268491354880. Its totient is φ = 97751710645140.

The previous prime is 101010100999979. The next prime is 101010101000051. The reversal of 101010101000009 is 900000101010101.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 101010101000009 - 2⁴⁴ = 83417914955593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010100999957 and 101010101000002.

It is not an unprimeable number, because it can be changed into a prime (101010101000509) 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, 1629195177389 + ... + 1629195177450.

It is an arithmetic number, because the mean of its divisors is an integer number (26067122838720).

Almost surely, 2^{101010101000009} is an apocalyptic number.

It is an amenable number.

101010101000009 is a deficient number, since it is larger than the sum of its proper divisors (3258390354871).

101010101000009 is an equidigital number, since it uses as much as digits as its factorization.

101010101000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258390354870.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 101010101000009 in words is "one hundred one trillion, ten billion, one hundred one million, nine", and thus it is an aban number.