11101189 has 4 divisors (see below), whose sum is σ = 12110400. Its totient is φ = 10091980.

The previous prime is 11101177. The next prime is 11101199. The reversal of 11101189 is 98110111.

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 11101189 - 2⁷ = 11101061 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 (11101109) 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, 504589 + ... + 504610.

It is an arithmetic number, because the mean of its divisors is an integer number (3027600).

Almost surely, 2^11101189 is an apocalyptic number.

It is an amenable number.

11101189 is a deficient number, since it is larger than the sum of its proper divisors (1009211).

11101189 is a wasteful number, since it uses less digits than its factorization.

11101189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009210.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 11101189 is about 3331.8446842553. The cubic root of 11101189 is about 223.0778750318.

The spelling of 11101189 in words is "eleven million, one hundred one thousand, one hundred eighty-nine".