2112662111 has 8 divisors (see below), whose sum is σ = 2470621824. Its totient is φ = 1768740120.

The previous prime is 2112662053. The next prime is 2112662137. The reversal of 2112662111 is 1112662112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112662111 - 2¹⁰ = 2112661087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112662141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3509105 + ... + 3509706.

It is an arithmetic number, because the mean of its divisors is an integer number (308827728).

Almost surely, 2^2112662111 is an apocalyptic number.

2112662111 is a deficient number, since it is larger than the sum of its proper divisors (357959713).

2112662111 is an equidigital number, since it uses as much as digits as its factorization.

2112662111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018861.

The product of its digits is 288, while the sum is 23.

The square root of 2112662111 is about 45963.7042784848. The cubic root of 2112662111 is about 1283.1477927225.

Subtracting from 2112662111 its reverse (1112662112), we obtain a palindrome (999999999).

The spelling of 2112662111 in words is "two billion, one hundred twelve million, six hundred sixty-two thousand, one hundred eleven".