21302012119 has 4 divisors (see below), whose sum is σ = 21311871760. Its totient is φ = 21292152480.

The previous prime is 21302012063. The next prime is 21302012131. The reversal of 21302012119 is 91121020312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21302012119 - 2¹¹ = 21302010071 is a prime.

It is a super-2 number, since 2×21302012119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21302012119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302012819) 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, 4926579 + ... + 4930900.

It is an arithmetic number, because the mean of its divisors is an integer number (5327967940).

Almost surely, 2^21302012119 is an apocalyptic number.

21302012119 is a deficient number, since it is larger than the sum of its proper divisors (9859641).

21302012119 is an equidigital number, since it uses as much as digits as its factorization.

21302012119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859640.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 21302012119 in words is "twenty-one billion, three hundred two million, twelve thousand, one hundred nineteen".