2120201201 has 4 divisors (see below), whose sum is σ = 2120294400. Its totient is φ = 2120108004.

The previous prime is 2120201179. The next prime is 2120201221. The reversal of 2120201201 is 1021020212.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120201221) 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, 12560 + ... + 66318.

It is an arithmetic number, because the mean of its divisors is an integer number (530073600).

Almost surely, 2^2120201201 is an apocalyptic number.

It is an amenable number.

2120201201 is a deficient number, since it is larger than the sum of its proper divisors (93199).

2120201201 is an equidigital number, since it uses as much as digits as its factorization.

2120201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93198.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2120201201 is about 46045.6425842880. The cubic root of 2120201201 is about 1284.6722962341.

Adding to 2120201201 its reverse (1021020212), we get a palindrome (3141221413).

The spelling of 2120201201 in words is "two billion, one hundred twenty million, two hundred one thousand, two hundred one".