901211 has 2 divisors, whose sum is σ = 901212. Its totient is φ = 901210.

The previous prime is 901207. The next prime is 901213. The reversal of 901211 is 112109.

901211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901211 - 2² = 901207 is a prime.

Together with 901213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (901213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450605 + 450606.

It is an arithmetic number, because the mean of its divisors is an integer number (450606).

2⁹⁰¹²¹¹ is an apocalyptic number.

901211 is a deficient number, since it is larger than the sum of its proper divisors (1).

901211 is an equidigital number, since it uses as much as digits as its factorization.

901211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 901211 is about 949.3213365347. The cubic root of 901211 is about 96.5922230393.

The spelling of 901211 in words is "nine hundred one thousand, two hundred eleven".