9990110010101 has 8 divisors (see below), whose sum is σ = 10789406892600. Its totient is φ = 9195216967872.

The previous prime is 9990110010077. The next prime is 9990110010103. The reversal of 9990110010101 is 1010100110999.

It can be written as a sum of positive squares in 4 ways, for example, as 2034043587601 + 7956066422500 = 1426199^2 + 2820650^2 .

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

It is not a de Polignac number, because 9990110010101 - 2³⁴ = 9972930140917 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 (9990110010103) 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, 1100955350 + ... + 1100964423.

It is an arithmetic number, because the mean of its divisors is an integer number (1348675861575).

Almost surely, 2^{9990110010101} is an apocalyptic number.

It is an amenable number.

9990110010101 is a deficient number, since it is larger than the sum of its proper divisors (799296882499).

9990110010101 is a wasteful number, since it uses less digits than its factorization.

9990110010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201920135.

The product of its (nonzero) digits is 729, while the sum is 32.

It can be divided in two parts, 99901 and 10010101, that multiplied together give a palindrome (1000019100001).

The spelling of 9990110010101 in words is "nine trillion, nine hundred ninety billion, one hundred ten million, ten thousand, one hundred one".