999999010101101 has 4 divisors (see below), whose sum is σ = 1000008752320032. Its totient is φ = 999989267882172.

The previous prime is 999999010101067. The next prime is 999999010101107. The reversal of 999999010101101 is 101101010999999.

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 999999010101101 - 2³⁸ = 999724132194157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999010101107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4870955495 + ... + 4871160788.

It is an arithmetic number, because the mean of its divisors is an integer number (250002188080008).

Almost surely, 2^{999999010101101} is an apocalyptic number.

It is an amenable number.

999999010101101 is a deficient number, since it is larger than the sum of its proper divisors (9742218931).

999999010101101 is a wasteful number, since it uses less digits than its factorization.

999999010101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9742218930.

The product of its (nonzero) digits is 531441, while the sum is 59.

The spelling of 999999010101101 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, ten million, one hundred one thousand, one hundred one".