11101216 has 24 divisors (see below), whose sum is σ = 24978240. Its totient is φ = 4757568.

The previous prime is 11101199. The next prime is 11101217. The reversal of 11101216 is 61210111.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 11101196 and 11101205.

It is not an unprimeable number, because it can be changed into a prime (11101217) 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, 24556 + ... + 25003.

It is an arithmetic number, because the mean of its divisors is an integer number (1040760).

Almost surely, 2^11101216 is an apocalyptic number.

11101216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11101216 is an abundant number, since it is smaller than the sum of its proper divisors (13877024).

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

11101216 is an equidigital number, since it uses as much as digits as its factorization.

11101216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49576 (or 49568 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 11101216 is about 3331.8487360623. The cubic root of 11101216 is about 223.0780558862.

Adding to 11101216 its reverse (61210111), we get a palindrome (72311327).

The spelling of 11101216 in words is "eleven million, one hundred one thousand, two hundred sixteen".