9901105103 has 4 divisors (see below), whose sum is σ = 9950859600. Its totient is φ = 9851350608.

The previous prime is 9901105079. The next prime is 9901105111. The reversal of 9901105103 is 3015011099.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9901105103 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 (9901105603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24876950 + ... + 24877347.

It is an arithmetic number, because the mean of its divisors is an integer number (2487714900).

Almost surely, 2^9901105103 is an apocalyptic number.

9901105103 is a deficient number, since it is larger than the sum of its proper divisors (49754497).

9901105103 is a wasteful number, since it uses less digits than its factorization.

9901105103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49754496.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 9901105103 is about 99504.2969072190. The cubic root of 9901105103 is about 2147.3090619856.

The spelling of 9901105103 in words is "nine billion, nine hundred one million, one hundred five thousand, one hundred three".