11002120 has 16 divisors (see below), whose sum is σ = 24754860. Its totient is φ = 4400832.

The previous prime is 11002081. The next prime is 11002129. The reversal of 11002120 is 2120011.

It can be written as a sum of positive squares in 2 ways, for example, as 10876804 + 125316 = 3298^2 + 354^2 .

It is not an unprimeable number, because it can be changed into a prime (11002129) 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, 137487 + ... + 137566.

Almost surely, 2^11002120 is an apocalyptic number.

11002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002120 is an abundant number, since it is smaller than the sum of its proper divisors (13752740).

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

11002120 is a wasteful number, since it uses less digits than its factorization.

11002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275064 (or 275060 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11002120 is about 3316.9443769831. The cubic root of 11002120 is about 222.4122955264.

Adding to 11002120 its reverse (2120011), we get a palindrome (13122131).

The spelling of 11002120 in words is "eleven million, two thousand, one hundred twenty".