1020163211 has 4 divisors (see below), whose sum is σ = 1023768312. Its totient is φ = 1016558112.

The previous prime is 1020163201. The next prime is 1020163213. The reversal of 1020163211 is 1123610201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020163211 - 2⁶ = 1020163147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020163211.

It is not an unprimeable number, because it can be changed into a prime (1020163213) 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 3 ways as a sum of consecutive naturals, for example, 1802126 + ... + 1802691.

It is an arithmetic number, because the mean of its divisors is an integer number (255942078).

Almost surely, 2^1020163211 is an apocalyptic number.

1020163211 is a deficient number, since it is larger than the sum of its proper divisors (3605101).

1020163211 is an equidigital number, since it uses as much as digits as its factorization.

1020163211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605100.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1020163211 is about 31939.9939104565. The cubic root of 1020163211 is about 1006.6763968598.

Adding to 1020163211 its reverse (1123610201), we get a palindrome (2143773412).

The spelling of 1020163211 in words is "one billion, twenty million, one hundred sixty-three thousand, two hundred eleven".