2111353344 has 160 divisors (see below), whose sum is σ = 6294805440. Its totient is φ = 698720256.

The previous prime is 2111353339. The next prime is 2111353351. The reversal of 2111353344 is 4433531112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252844 + ... + 2253780.

It is an arithmetic number, because the mean of its divisors is an integer number (39342534).

Almost surely, 2^2111353344 is an apocalyptic number.

2111353344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111353344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147402720).

2111353344 is an abundant number, since it is smaller than the sum of its proper divisors (4183452096).

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

2111353344 is an equidigital number, since it uses as much as digits as its factorization.

2111353344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1105 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2111353344 is about 45949.4651111414. The cubic root of 2111353344 is about 1282.8827734726.

Adding to 2111353344 its reverse (4433531112), we get a palindrome (6544884456).

The spelling of 2111353344 in words is "two billion, one hundred eleven million, three hundred fifty-three thousand, three hundred forty-four".