11102240 has 24 divisors (see below), whose sum is σ = 26229420. Its totient is φ = 4440832.

The previous prime is 11102233. The next prime is 11102249. The reversal of 11102240 is 4220111.

It can be written as a sum of positive squares in 2 ways, for example, as 11102224 + 16 = 3332^2 + 4^2 .

It is not an unprimeable number, because it can be changed into a prime (11102249) 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, 34535 + ... + 34854.

Almost surely, 2^11102240 is an apocalyptic number.

11102240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102240 is an abundant number, since it is smaller than the sum of its proper divisors (15127180).

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

11102240 is an equidigital number, since it uses as much as digits as its factorization.

11102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69404 (or 69396 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11102240 is about 3332.0024009595. The cubic root of 11102240 is about 223.0849147416.

Subtracting from 11102240 its product of nonzero digits (16), we obtain a square (11102224 = 3332²).

Adding to 11102240 its reverse (4220111), we get a palindrome (15322351).

The spelling of 11102240 in words is "eleven million, one hundred two thousand, two hundred forty".