9901111110101 has 8 divisors (see below), whose sum is σ = 10220561850624. Its totient is φ = 9581664123360.

The previous prime is 9901111110091. The next prime is 9901111110179. The reversal of 9901111110101 is 1010111111099.

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 9901111110101 - 2¹⁴ = 9901111093717 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 (9901111110301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023166 + ... + 6710768.

It is an arithmetic number, because the mean of its divisors is an integer number (1277570231328).

Almost surely, 2^{9901111110101} is an apocalyptic number.

It is an amenable number.

9901111110101 is a deficient number, since it is larger than the sum of its proper divisors (319450740523).

9901111110101 is a wasteful number, since it uses less digits than its factorization.

9901111110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876891.

The product of its (nonzero) digits is 81, while the sum is 26.

The spelling of 9901111110101 in words is "nine trillion, nine hundred one billion, one hundred eleven million, one hundred ten thousand, one hundred one".