11102089 has 4 divisors (see below), whose sum is σ = 11290320. Its totient is φ = 10913860.

The previous prime is 11102087. The next prime is 11102131. The reversal of 11102089 is 98020111.

11102089 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98020111 = 7 ⋅14002873.

It is a cyclic number.

It is not a de Polignac number, because 11102089 - 2¹ = 11102087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102081) 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, 94027 + ... + 94144.

It is an arithmetic number, because the mean of its divisors is an integer number (2822580).

Almost surely, 2^11102089 is an apocalyptic number.

It is an amenable number.

11102089 is a deficient number, since it is larger than the sum of its proper divisors (188231).

11102089 is an equidigital number, since it uses as much as digits as its factorization.

11102089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188230.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 11102089 is about 3331.9797418352. The cubic root of 11102089 is about 223.0839033549.

The spelling of 11102089 in words is "eleven million, one hundred two thousand, eighty-nine".