11102213 has 16 divisors (see below), whose sum is σ = 12165120.
Its totient is φ = 10097136.
The previous prime is 11102197. The next prime is 11102219. The reversal of 11102213 is 31220111.
It is a cyclic number.
It is not a de Polignac number, because 11102213 - 24 = 11102197 is a prime.
It is a Duffinian number.
It is a zygodrome in base 4.
It is a junction number, because it is equal to n+sod(n) for n = 11102194 and 11102203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11102219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87356 + ... + 87482.
It is an arithmetic number, because the mean of its divisors is an integer number (760320).
Almost surely, 211102213 is an apocalyptic number.
It is an amenable number.
11102213 is a deficient number, since it is larger than the sum of its proper divisors (1062907).
11102213 is a wasteful number, since it uses less digits than its factorization.
11102213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 11102213 is about 3331.9983493393.
The cubic root of 11102213 is about 223.0847338983.
Adding to 11102213 its sum of digits (11), we get a square (11102224 = 33322).
Adding to 11102213 its reverse (31220111), we get a palindrome (42322324).
The spelling of 11102213 in words is "eleven million, one hundred two thousand, two hundred thirteen".