2111320444 has 6 divisors (see below), whose sum is σ = 3694810784. Its totient is φ = 1055660220.

The previous prime is 2111320433. The next prime is 2111320447. The reversal of 2111320444 is 4440231112.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 263915052 + ... + 263915059.

Almost surely, 2^2111320444 is an apocalyptic number.

It is an amenable number.

2111320444 is a deficient number, since it is larger than the sum of its proper divisors (1583490340).

2111320444 is a wasteful number, since it uses less digits than its factorization.

2111320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527830115 (or 527830113 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2111320444 is about 45949.1071077556. The cubic root of 2111320444 is about 1282.8761099642.

Adding to 2111320444 its reverse (4440231112), we get a palindrome (6551551556).

The spelling of 2111320444 in words is "two billion, one hundred eleven million, three hundred twenty thousand, four hundred forty-four".