2112200115 has 32 divisors (see below), whose sum is σ = 3413684736. Its totient is φ = 1115162880.

The previous prime is 2112200107. The next prime is 2112200117. The reversal of 2112200115 is 5110022112.

It is not a de Polignac number, because 2112200115 - 2³ = 2112200107 is a prime.

It is a super-2 number, since 2×2112200115² = 8922778651612026450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2112200094 and 2112200103.

It is not an unprimeable number, because it can be changed into a prime (2112200117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987327 + ... + 989463.

It is an arithmetic number, because the mean of its divisors is an integer number (106677648).

Almost surely, 2^2112200115 is an apocalyptic number.

2112200115 is a deficient number, since it is larger than the sum of its proper divisors (1301484621).

2112200115 is a wasteful number, since it uses less digits than its factorization.

2112200115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2112200115 is about 45958.6783426156. The cubic root of 2112200115 is about 1283.0542531764.

Adding to 2112200115 its reverse (5110022112), we get a palindrome (7222222227).

The spelling of 2112200115 in words is "two billion, one hundred twelve million, two hundred thousand, one hundred fifteen".