2112101 has 4 divisors (see below), whose sum is σ = 2137632. Its totient is φ = 2086572.

The previous prime is 2112079. The next prime is 2112107. The reversal of 2112101 is 1012112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112101 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 (2112107) 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, 12641 + ... + 12806.

It is an arithmetic number, because the mean of its divisors is an integer number (534408).

2^2112101 is an apocalyptic number.

It is an amenable number.

2112101 is a deficient number, since it is larger than the sum of its proper divisors (25531).

2112101 is an equidigital number, since it uses as much as digits as its factorization.

2112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2112101 is about 1453.3069187202. The cubic root of 2112101 is about 128.3034183754.

Adding to 2112101 its reverse (1012112), we get a palindrome (3124213).

It can be divided in two parts, 2112 and 101, that multiplied together give a palindrome (213312).

The spelling of 2112101 in words is "two million, one hundred twelve thousand, one hundred one".