10101009999 has 8 divisors (see below), whose sum is σ = 13476592512. Its totient is φ = 6729717080.

The previous prime is 10101009991. The next prime is 10101010009. The reversal of 10101009999 is 99990010101.

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 10101009999 - 2³ = 10101009991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101009991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066899 + ... + 1076324.

It is an arithmetic number, because the mean of its divisors is an integer number (1684574064).

Almost surely, 2^10101009999 is an apocalyptic number.

10101009999 is a deficient number, since it is larger than the sum of its proper divisors (3375582513).

10101009999 is a wasteful number, since it uses less digits than its factorization.

10101009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144797.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 10101009999 in words is "ten billion, one hundred one million, nine thousand, nine hundred ninety-nine".