1201020211 has 2 divisors, whose sum is σ = 1201020212. Its totient is φ = 1201020210.

The previous prime is 1201020203. The next prime is 1201020253. The reversal of 1201020211 is 1120201021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201020211 - 2³ = 1201020203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201020911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600510105 + 600510106.

It is an arithmetic number, because the mean of its divisors is an integer number (600510106).

Almost surely, 2^1201020211 is an apocalyptic number.

1201020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201020211 is an equidigital number, since it uses as much as digits as its factorization.

1201020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1201020211 is about 34655.7385002830. The cubic root of 1201020211 is about 1062.9596327579.

Adding to 1201020211 its reverse (1120201021), we get a palindrome (2321221232).

The spelling of 1201020211 in words is "one billion, two hundred one million, twenty thousand, two hundred eleven".