1002211165 has 8 divisors (see below), whose sum is σ = 1202867640. Its totient is φ = 801626112.

The previous prime is 1002211159. The next prime is 1002211211. The reversal of 1002211165 is 5611122001.

It can be written as a sum of positive squares in 4 ways, for example, as 8826841 + 993384324 = 2971^2 + 31518^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002211165 - 2¹⁹ = 1001686877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20521 + ... + 49249.

It is an arithmetic number, because the mean of its divisors is an integer number (150358455).

Almost surely, 2^1002211165 is an apocalyptic number.

It is an amenable number.

1002211165 is a deficient number, since it is larger than the sum of its proper divisors (200656475).

1002211165 is an equidigital number, since it uses as much as digits as its factorization.

1002211165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35711.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1002211165 is about 31657.7188849734. The cubic root of 1002211165 is about 1000.7365124163.

Adding to 1002211165 its reverse (5611122001), we get a palindrome (6613333166).

The spelling of 1002211165 in words is "one billion, two million, two hundred eleven thousand, one hundred sixty-five".