2111320 has 16 divisors (see below), whose sum is σ = 4750560. Its totient is φ = 844512.

The previous prime is 2111311. The next prime is 2111321. The reversal of 2111320 is 231112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2111297 and 2111306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26352 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (296910).

2^2111320 is an apocalyptic number.

2111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111320 is an abundant number, since it is smaller than the sum of its proper divisors (2639240).

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

2111320 is a wasteful number, since it uses less digits than its factorization.

2111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52794 (or 52790 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2111320 is about 1453.0381963321. The cubic root of 2111320 is about 128.2876020037.

Adding to 2111320 its reverse (231112), we get a palindrome (2342432).

The spelling of 2111320 in words is "two million, one hundred eleven thousand, three hundred twenty".