999901101100101 has 8 divisors (see below), whose sum is σ = 1333758593704320. Its totient is φ = 666322171281312.

The previous prime is 999901101100091. The next prime is 999901101100211. The reversal of 999901101100101 is 101001101109999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 999901101100101 - 2⁶ = 999901101100037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999901101100901) 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, 69640687981 + ... + 69640702338.

It is an arithmetic number, because the mean of its divisors is an integer number (166719824213040).

Almost surely, 2^{999901101100101} is an apocalyptic number.

It is an amenable number.

999901101100101 is a deficient number, since it is larger than the sum of its proper divisors (333857492604219).

999901101100101 is a wasteful number, since it uses less digits than its factorization.

999901101100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139281392715.

The product of its (nonzero) digits is 6561, while the sum is 42.

The spelling of 999901101100101 in words is "nine hundred ninety-nine trillion, nine hundred one billion, one hundred one million, one hundred thousand, one hundred one".