2112102011 has 4 divisors (see below), whose sum is σ = 2127518952. Its totient is φ = 2096685072.

The previous prime is 2112101923. The next prime is 2112102019. The reversal of 2112102011 is 1102012112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112102011 - 2²⁶ = 2044993147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112101983 and 2112102001.

It is not an unprimeable number, because it can be changed into a prime (2112102019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7708265 + ... + 7708538.

It is an arithmetic number, because the mean of its divisors is an integer number (531879738).

Almost surely, 2^2112102011 is an apocalyptic number.

2112102011 is a deficient number, since it is larger than the sum of its proper divisors (15416941).

2112102011 is a wasteful number, since it uses less digits than its factorization.

2112102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15416940.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112102011 is about 45957.6110236379. The cubic root of 2112102011 is about 1283.0343884703.

Adding to 2112102011 its reverse (1102012112), we get a palindrome (3214114123).

The spelling of 2112102011 in words is "two billion, one hundred twelve million, one hundred two thousand, eleven".