2111320446 has 16 divisors (see below), whose sum is σ = 4230367104. Its totient is φ = 702485784.

The previous prime is 2111320433. The next prime is 2111320447. The reversal of 2111320446 is 6440231112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111320447) by changing a digit.

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, 318370 + ... + 324933.

It is an arithmetic number, because the mean of its divisors is an integer number (264397944).

Almost surely, 2^2111320446 is an apocalyptic number.

2111320446 is an abundant number, since it is smaller than the sum of its proper divisors (2119046658).

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

2111320446 is a wasteful number, since it uses less digits than its factorization.

2111320446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643855.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2111320446 is about 45949.1071295188. The cubic root of 2111320446 is about 1282.8761103693.

Adding to 2111320446 its reverse (6440231112), we get a palindrome (8551551558).

The spelling of 2111320446 in words is "two billion, one hundred eleven million, three hundred twenty thousand, four hundred forty-six".