9990112111 has 24 divisors (see below), whose sum is σ = 12288689280. Its totient is φ = 8084563200.

The previous prime is 9990112103. The next prime is 9990112129. The reversal of 9990112111 is 1112110999.

It is not a de Polignac number, because 9990112111 - 2³ = 9990112103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990112711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17926 + ... + 142483.

It is an arithmetic number, because the mean of its divisors is an integer number (512028720).

Almost surely, 2^9990112111 is an apocalyptic number.

9990112111 is a deficient number, since it is larger than the sum of its proper divisors (2298577169).

9990112111 is a wasteful number, since it uses less digits than its factorization.

9990112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160495 (or 160488 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 34.

The square root of 9990112111 is about 99950.5483276605. The cubic root of 9990112111 is about 2153.7243621565.

The spelling of 9990112111 in words is "nine billion, nine hundred ninety million, one hundred twelve thousand, one hundred eleven".