2111201 has 4 divisors (see below), whose sum is σ = 2115012. Its totient is φ = 2107392.

The previous prime is 2111189. The next prime is 2111231. The reversal of 2111201 is 1021112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 483025 = 1276^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111201 - 2¹⁰ = 2110177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111231) 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, 896 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (528753).

2^2111201 is an apocalyptic number.

It is an amenable number.

2111201 is a deficient number, since it is larger than the sum of its proper divisors (3811).

2111201 is an equidigital number, since it uses as much as digits as its factorization.

2111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

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

The square root of 2111201 is about 1452.9972470724. The cubic root of 2111201 is about 128.2851917404.

Adding to 2111201 its reverse (1021112), we get a palindrome (3132313).

The spelling of 2111201 in words is "two million, one hundred eleven thousand, two hundred one".