2012101 has 8 divisors (see below), whose sum is σ = 2476544. Its totient is φ = 1591920.

The previous prime is 2012093. The next prime is 2012113. The reversal of 2012101 is 1012102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012101 - 2³ = 2012093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10965 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (309568).

2^2012101 is an apocalyptic number.

It is an amenable number.

2012101 is a deficient number, since it is larger than the sum of its proper divisors (464443).

2012101 is a wasteful number, since it uses less digits than its factorization.

2012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22131.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2012101 is about 1418.4854599184. The cubic root of 2012101 is about 126.2456992947.

Adding to 2012101 its reverse (1012102), we get a palindrome (3024203).

Subtracting from 2012101 its reverse (1012102), we obtain a palindrome (999999).

It can be divided in two parts, 20 and 12101, that added together give a palindrome (12121).

The spelling of 2012101 in words is "two million, twelve thousand, one hundred one".