2010101 has 4 divisors (see below), whose sum is σ = 2013804. Its totient is φ = 2006400.

The previous prime is 2010089. The next prime is 2010103. The reversal of 2010101 is 1010102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010102 = 2 ⋅505051.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 184900 = 1351^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010101 - 2⁶ = 2010037 is a prime.

It is a Duffinian number.

2010101 is a modest number, since divided by 10101 gives 2 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010103) 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, 860 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (503451).

2^2010101 is an apocalyptic number.

It is an amenable number.

2010101 is a deficient number, since it is larger than the sum of its proper divisors (3703).

2010101 is an equidigital number, since it uses as much as digits as its factorization.

2010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 2010101 is about 1417.7803073819. The cubic root of 2010101 is about 126.2038566135.

Adding to 2010101 its reverse (1010102), we get a palindrome (3020203).

Subtracting from 2010101 its reverse (1010102), we obtain a palindrome (999999).

Multiplying 2010101 by its reverse (1010102), we get a palindrome (2030407040302).

The spelling of 2010101 in words is "two million, ten thousand, one hundred one".