2111140 has 12 divisors (see below), whose sum is σ = 4433436. Its totient is φ = 844448.

The previous prime is 2111129. The next prime is 2111159. The reversal of 2111140 is 411112.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 996004 = 1056^2 + 998^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52759 + ... + 52798.

It is an arithmetic number, because the mean of its divisors is an integer number (369453).

2^2111140 is an apocalyptic number.

2111140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111140 is an abundant number, since it is smaller than the sum of its proper divisors (2322296).

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

2111140 is a wasteful number, since it uses less digits than its factorization.

2111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105566 (or 105564 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111140 is about 1452.9762558280. The cubic root of 2111140 is about 128.2839561921.

Adding to 2111140 its reverse (411112), we get a palindrome (2522252).

The spelling of 2111140 in words is "two million, one hundred eleven thousand, one hundred forty".