10101001009 has 8 divisors (see below), whose sum is σ = 11020595040. Its totient is φ = 9181627200.

The previous prime is 10101000961. The next prime is 10101001037. The reversal of 10101001009 is 90010010101.

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 10101001009 - 2¹⁹ = 10100476721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101001009.

It is not an unprimeable number, because it can be changed into a prime (10101011009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49497 + ... + 150505.

It is an arithmetic number, because the mean of its divisors is an integer number (1377574380).

Almost surely, 2^10101001009 is an apocalyptic number.

It is an amenable number.

10101001009 is a deficient number, since it is larger than the sum of its proper divisors (919594031).

10101001009 is a wasteful number, since it uses less digits than its factorization.

10101001009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110111.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 10101001009 in words is "ten billion, one hundred one million, one thousand, nine".