9980101 has 4 divisors (see below), whose sum is σ = 9990112. Its totient is φ = 9970092.

The previous prime is 9980099. The next prime is 9980107. The reversal of 9980101 is 1010899.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9980101 - 2¹ = 9980099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9980101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980107) 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, 3321 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (2497528).

Almost surely, 2^9980101 is an apocalyptic number.

It is an amenable number.

9980101 is a deficient number, since it is larger than the sum of its proper divisors (10011).

9980101 is a wasteful number, since it uses less digits than its factorization.

9980101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 9980101 is about 3159.1297852415. The cubic root of 9980101 is about 215.3004704573.

It can be divided in two parts, 99 and 80101, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 9980101 in words is "nine million, nine hundred eighty thousand, one hundred one".