11102261 has 4 divisors (see below), whose sum is σ = 11584992. Its totient is φ = 10619532.

The previous prime is 11102249. The next prime is 11102269. The reversal of 11102261 is 16220111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11102261 - 2⁶ = 11102197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241331 + ... + 241376.

It is an arithmetic number, because the mean of its divisors is an integer number (2896248).

Almost surely, 2^11102261 is an apocalyptic number.

It is an amenable number.

11102261 is a deficient number, since it is larger than the sum of its proper divisors (482731).

11102261 is an equidigital number, since it uses as much as digits as its factorization.

11102261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482730.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 11102261 is about 3332.0055522163. The cubic root of 11102261 is about 223.0850553973.

Adding to 11102261 its reverse (16220111), we get a palindrome (27322372).

The spelling of 11102261 in words is "eleven million, one hundred two thousand, two hundred sixty-one".