2211111852 has 48 divisors (see below), whose sum is σ = 5438294400. Its totient is φ = 697282560.

The previous prime is 2211111839. The next prime is 2211111853. The reversal of 2211111852 is 2581111122.

2211111852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2211111853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169027 + ... + 181637.

It is an arithmetic number, because the mean of its divisors is an integer number (113297800).

Almost surely, 2^2211111852 is an apocalyptic number.

It is an amenable number.

2211111852 is an abundant number, since it is smaller than the sum of its proper divisors (3227182548).

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

2211111852 is a wasteful number, since it uses less digits than its factorization.

2211111852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406 (or 13404 counting only the distinct ones).

The product of its digits is 320, while the sum is 24.

The square root of 2211111852 is about 47022.4611435854. The cubic root of 2211111852 is about 1302.7774644516. Note that the first 3 decimals are identical.

Adding to 2211111852 its reverse (2581111122), we get a palindrome (4792222974).

The spelling of 2211111852 in words is "two billion, two hundred eleven million, one hundred eleven thousand, eight hundred fifty-two".