21301119 has 24 divisors (see below), whose sum is σ = 37234080. Its totient is φ = 11455488.

The previous prime is 21301097. The next prime is 21301157. The reversal of 21301119 is 91110312.

It is not a de Polignac number, because 21301119 - 2⁵ = 21301087 is a prime.

It is a super-2 number, since 2×21301119² = 907475341304322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8874 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (1551420).

Almost surely, 2^21301119 is an apocalyptic number.

21301119 is a deficient number, since it is larger than the sum of its proper divisors (15932961).

21301119 is a wasteful number, since it uses less digits than its factorization.

21301119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19919 (or 19916 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 21301119 is about 4615.3135321449. The cubic root of 21301119 is about 277.2048383431.

It can be divided in two parts, 2130 and 1119, that added together give a square (3249 = 57²).

The spelling of 21301119 in words is "twenty-one million, three hundred one thousand, one hundred nineteen".