7211065001 has 16 divisors (see below), whose sum is σ = 8277144960. Its totient is φ = 6154030080.

The previous prime is 7211064967. The next prime is 7211065009. The reversal of 7211065001 is 1005601127.

It is a cyclic number.

It is not a de Polignac number, because 7211065001 - 2¹⁸ = 7210802857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7211065009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690211 + ... + 1694471.

It is an arithmetic number, because the mean of its divisors is an integer number (517321560).

Almost surely, 2^7211065001 is an apocalyptic number.

It is an amenable number.

7211065001 is a deficient number, since it is larger than the sum of its proper divisors (1066079959).

7211065001 is a wasteful number, since it uses less digits than its factorization.

7211065001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 7211065001 is about 84917.9898549183. The cubic root of 7211065001 is about 1931.9674426406.

Adding to 7211065001 its reverse (1005601127), we get a palindrome (8216666128).

The spelling of 7211065001 in words is "seven billion, two hundred eleven million, sixty-five thousand, one".