2112218199 has 48 divisors (see below), whose sum is σ = 3790305792. Its totient is φ = 1103678784.

The previous prime is 2112218191. The next prime is 2112218237. The reversal of 2112218199 is 9918122112.

It is not a de Polignac number, because 2112218199 - 2³ = 2112218191 is a prime.

It is a super-2 number, since 2×2112218199² = 8922931440373607202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112218191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75582 + ... + 99684.

It is an arithmetic number, because the mean of its divisors is an integer number (78964704).

Almost surely, 2^2112218199 is an apocalyptic number.

2112218199 is a deficient number, since it is larger than the sum of its proper divisors (1678087593).

2112218199 is a wasteful number, since it uses less digits than its factorization.

2112218199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24236 (or 24233 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The square root of 2112218199 is about 45958.8750841445. The cubic root of 2112218199 is about 1283.0579148697.

The spelling of 2112218199 in words is "two billion, one hundred twelve million, two hundred eighteen thousand, one hundred ninety-nine".