2100011 has 2 divisors, whose sum is σ = 2100012. Its totient is φ = 2100010.

The previous prime is 2100001. The next prime is 2100031. The reversal of 2100011 is 1100012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100011 - 2¹⁸ = 1837867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2099968 and 2100004.

It is not a weakly prime, because it can be changed into another prime (2100001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050005 + 1050006.

It is an arithmetic number, because the mean of its divisors is an integer number (1050006).

2^2100011 is an apocalyptic number.

2100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100011 is an equidigital number, since it uses as much as digits as its factorization.

2100011 is an evil number, because the sum of its binary digits is even.

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

The square root of 2100011 is about 1449.1414699746. The cubic root of 2100011 is about 128.0581400915.

Adding to 2100011 its reverse (1100012), we get a palindrome (3200023).

Subtracting from 2100011 its reverse (1100012), we obtain a palindrome (999999).

Multiplying 2100011 by its reverse (1100012), we get a palindrome (2310037300132).

The spelling of 2100011 in words is "two million, one hundred thousand, eleven".