9890213111 has 8 divisors (see below), whose sum is σ = 9955597344. Its totient is φ = 9824902560.

The previous prime is 9890213077. The next prime is 9890213119. The reversal of 9890213111 is 1113120989.

9890213111 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9890213111 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 (9890213119) 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, 265241 + ... + 300221.

It is an arithmetic number, because the mean of its divisors is an integer number (1244449668).

Almost surely, 2^9890213111 is an apocalyptic number.

9890213111 is a deficient number, since it is larger than the sum of its proper divisors (65384233).

9890213111 is a wasteful number, since it uses less digits than its factorization.

9890213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36841.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 9890213111 is about 99449.5505821922. The cubic root of 9890213111 is about 2146.5213702915.

The spelling of 9890213111 in words is "nine billion, eight hundred ninety million, two hundred thirteen thousand, one hundred eleven".