2114188881 has 16 divisors (see below), whose sum is σ = 3391180800. Its totient is φ = 1144523088.

The previous prime is 2114188877. The next prime is 2114188889. The reversal of 2114188881 is 1888814112.

It is a happy number.

It is not a de Polignac number, because 2114188881 - 2² = 2114188877 is a prime.

It is a super-2 number, since 2×2114188881² = 8939589249088064322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2114188889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648961 + ... + 2649758.

It is an arithmetic number, because the mean of its divisors is an integer number (211948800).

Almost surely, 2^2114188881 is an apocalyptic number.

2114188881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2114188881 is a deficient number, since it is larger than the sum of its proper divisors (1276991919).

2114188881 is a wasteful number, since it uses less digits than its factorization.

2114188881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298748.

The product of its digits is 32768, while the sum is 42.

The square root of 2114188881 is about 45980.3097097007. The cubic root of 2114188881 is about 1283.4568182895.

The spelling of 2114188881 in words is "two billion, one hundred fourteen million, one hundred eighty-eight thousand, eight hundred eighty-one".