2111988104 has 16 divisors (see below), whose sum is σ = 4096529100. Its totient is φ = 1019580352.

The previous prime is 2111988103. The next prime is 2111988113. The reversal of 2111988104 is 4018891112.

It can be written as a sum of positive squares in 2 ways, for example, as 2074802500 + 37185604 = 45550^2 + 6098^2 .

It is not an unprimeable number, because it can be changed into a prime (2111988103) 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, 4551467 + ... + 4551930.

Almost surely, 2^2111988104 is an apocalyptic number.

It is an amenable number.

2111988104 is a deficient number, since it is larger than the sum of its proper divisors (1984540996).

2111988104 is a wasteful number, since it uses less digits than its factorization.

2111988104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103432 (or 9103428 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 2111988104 is about 45956.3717453848. The cubic root of 2111988104 is about 1283.0113231031.

The spelling of 2111988104 in words is "two billion, one hundred eleven million, nine hundred eighty-eight thousand, one hundred four".