1001211163 has 2 divisors, whose sum is σ = 1001211164. Its totient is φ = 1001211162.

The previous prime is 1001211121. The next prime is 1001211187. The reversal of 1001211163 is 3611121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001211163 - 2¹³ = 1001202971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001211193) 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 as a sum of consecutive naturals, namely, 500605581 + 500605582.

It is an arithmetic number, because the mean of its divisors is an integer number (500605582).

Almost surely, 2^1001211163 is an apocalyptic number.

1001211163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001211163 is an equidigital number, since it uses as much as digits as its factorization.

1001211163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1001211163 is about 31641.9209751873. The cubic root of 1001211163 is about 1000.4035581189.

Adding to 1001211163 its reverse (3611121001), we get a palindrome (4612332164).

The spelling of 1001211163 in words is "one billion, one million, two hundred eleven thousand, one hundred sixty-three".