21112119 has 12 divisors (see below), whose sum is σ = 34851856. Its totient is φ = 12064032.

The previous prime is 21112103. The next prime is 21112121. The reversal of 21112119 is 91121112.

It is a happy number.

It is not a de Polignac number, because 21112119 - 2⁴ = 21112103 is a prime.

It is a super-3 number, since 3×21112119³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112139) 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 11 ways as a sum of consecutive naturals, for example, 167494 + ... + 167619.

Almost surely, 2^21112119 is an apocalyptic number.

21112119 is a deficient number, since it is larger than the sum of its proper divisors (13739737).

21112119 is a wasteful number, since it uses less digits than its factorization.

21112119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335126 (or 335123 counting only the distinct ones).

The product of its digits is 36, while the sum is 18.

The square root of 21112119 is about 4594.7925959721. The cubic root of 21112119 is about 276.3825429498.

The spelling of 21112119 in words is "twenty-one million, one hundred twelve thousand, one hundred nineteen".