2120201 has 4 divisors (see below), whose sum is σ = 2169552. Its totient is φ = 2070852.

The previous prime is 2120171. The next prime is 2120203. The reversal of 2120201 is 1020212.

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 not a de Polignac number, because 2120201 - 2¹⁴ = 2103817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24611 + ... + 24696.

It is an arithmetic number, because the mean of its divisors is an integer number (542388).

2^2120201 is an apocalyptic number.

It is an amenable number.

2120201 is a deficient number, since it is larger than the sum of its proper divisors (49351).

2120201 is an equidigital number, since it uses as much as digits as its factorization.

2120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49350.

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

The square root of 2120201 is about 1456.0909999035. The cubic root of 2120201 is about 128.4672255638.

Adding to 2120201 its reverse (1020212), we get a palindrome (3140413).

The spelling of 2120201 in words is "two million, one hundred twenty thousand, two hundred one".