9910002021 has 8 divisors (see below), whose sum is σ = 13224144960. Its totient is φ = 6601263552.

The previous prime is 9910002017. The next prime is 9910002031. The reversal of 9910002021 is 1202000199.

9910002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9910002021 - 2² = 9910002017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9910001982 and 9910002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9910002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346836 + ... + 1354173.

It is an arithmetic number, because the mean of its divisors is an integer number (1653018120).

Almost surely, 2^9910002021 is an apocalyptic number.

It is an amenable number.

9910002021 is a deficient number, since it is larger than the sum of its proper divisors (3314142939).

9910002021 is a wasteful number, since it uses less digits than its factorization.

9910002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702235.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 9910002021 is about 99548.9930687398. The cubic root of 9910002021 is about 2147.9520445289.

The spelling of 9910002021 in words is "nine billion, nine hundred ten million, two thousand, twenty-one".