2112099 has 16 divisors (see below), whose sum is σ = 3179520. Its totient is φ = 1235360.

The previous prime is 2112079. The next prime is 2112107. The reversal of 2112099 is 9902112.

It is a cyclic number.

It is not a de Polignac number, because 2112099 - 2⁷ = 2111971 is a prime.

2112099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2112079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (198720).

2^2112099 is an apocalyptic number.

2112099 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2112099 is a deficient number, since it is larger than the sum of its proper divisors (1067421).

2112099 is a wasteful number, since it uses less digits than its factorization.

2112099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2112099 is about 1453.3062306341. The cubic root of 2112099 is about 128.3033778775.

It can be divided in two parts, 2 and 112099, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 2112099 in words is "two million, one hundred twelve thousand, ninety-nine".