990001112 has 32 divisors (see below), whose sum is σ = 1905217200. Its totient is φ = 482110464.

The previous prime is 990001097. The next prime is 990001127. The reversal of 990001112 is 211100099.

990001112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (990001097) and next prime (990001127).

It is a super-2 number, since 2×990001112² = 1960204403522473088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37328 + ... + 58080.

Almost surely, 2^990001112 is an apocalyptic number.

It is an amenable number.

990001112 is a deficient number, since it is larger than the sum of its proper divisors (915216088).

990001112 is a wasteful number, since it uses less digits than its factorization.

990001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915 (or 20911 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 990001112 is about 31464.2831159396. The cubic root of 990001112 is about 996.6558665710.

The spelling of 990001112 in words is "nine hundred ninety million, one thousand, one hundred twelve".