2211211120 has 40 divisors (see below), whose sum is σ = 5186583216. Its totient is φ = 876653568.

The previous prime is 2211211103. The next prime is 2211211133. The reversal of 2211211120 is 211121122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2211211120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113262 + ... + 131341.

Almost surely, 2^2211211120 is an apocalyptic number.

2211211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211211120 is an abundant number, since it is smaller than the sum of its proper divisors (2975372096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211211120 is a wasteful number, since it uses less digits than its factorization.

2211211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244729 (or 244723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2211211120 is about 47023.5166698536. The cubic root of 2211211120 is about 1302.7969602508.

Adding to 2211211120 its reverse (211121122), we get a palindrome (2422332242).

The spelling of 2211211120 in words is "two billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty".