2111999982 has 8 divisors (see below), whose sum is σ = 4223999976. Its totient is φ = 703999992.

The previous prime is 2111999977. The next prime is 2112000017. The reversal of 2111999982 is 2899991112.

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

2111999982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175999993 + ... + 176000004.

It is an arithmetic number, because the mean of its divisors is an integer number (527999997).

Almost surely, 2^2111999982 is an apocalyptic number.

2111999982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111999982 is a wasteful number, since it uses less digits than its factorization.

2111999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352000002.

The product of its digits is 209952, while the sum is 51.

The square root of 2111999982 is about 45956.5009764669. The cubic root of 2111999982 is about 1283.0137283534.

The spelling of 2111999982 in words is "two billion, one hundred eleven million, nine hundred ninety-nine thousand, nine hundred eighty-two".