1020118211 has 6 divisors (see below), whose sum is σ = 1186668180. Its totient is φ = 874386996.

The previous prime is 1020118199. The next prime is 1020118237. The reversal of 1020118211 is 1128110201.

It is not a de Polignac number, because 1020118211 - 2¹⁴ = 1020101827 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 1020118211.

It is not an unprimeable number, because it can be changed into a prime (1020118261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10409321 + ... + 10409418.

It is an arithmetic number, because the mean of its divisors is an integer number (197778030).

Almost surely, 2^1020118211 is an apocalyptic number.

1020118211 is a deficient number, since it is larger than the sum of its proper divisors (166549969).

1020118211 is an equidigital number, since it uses as much as digits as its factorization.

1020118211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20818753 (or 20818746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 1020118211 is about 31939.2894567177. The cubic root of 1020118211 is about 1006.6615949459.

Adding to 1020118211 its reverse (1128110201), we get a palindrome (2148228412).

The spelling of 1020118211 in words is "one billion, twenty million, one hundred eighteen thousand, two hundred eleven".