11102120 has 32 divisors (see below), whose sum is σ = 25076520. Its totient is φ = 4423680.

The previous prime is 11102087. The next prime is 11102131. The reversal of 11102120 is 2120111.

11102120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8988004 + 2114116 = 2998^2 + 1454^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 11102098 and 11102107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17000 + ... + 17640.

Almost surely, 2^11102120 is an apocalyptic number.

11102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102120 is an abundant number, since it is smaller than the sum of its proper divisors (13974400).

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

11102120 is a wasteful number, since it uses less digits than its factorization.

11102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11102120 is about 3331.9843937210. The cubic root of 11102120 is about 223.0841109913.

Adding to 11102120 its reverse (2120111), we get a palindrome (13222231).

Subtracting from 11102120 its reverse (2120111), we obtain a square (8982009 = 2997²).

The spelling of 11102120 in words is "eleven million, one hundred two thousand, one hundred twenty".