9869900024111 has 4 divisors (see below), whose sum is σ = 9883365099912. Its totient is φ = 9856434948312.

The previous prime is 9869900024077. The next prime is 9869900024191. The reversal of 9869900024111 is 1114200099689.

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-9869900024111 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 9869900024111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9869900024191) 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, 6732536801 + ... + 6732538266.

It is an arithmetic number, because the mean of its divisors is an integer number (2470841274978).

Almost surely, 2^{9869900024111} is an apocalyptic number.

9869900024111 is a deficient number, since it is larger than the sum of its proper divisors (13465075801).

9869900024111 is a wasteful number, since it uses less digits than its factorization.

9869900024111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465075800.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 9869900024111 in words is "nine trillion, eight hundred sixty-nine billion, nine hundred million, twenty-four thousand, one hundred eleven".