21000322119 has 8 divisors (see below), whose sum is σ = 32000490880. Its totient is φ = 12000184056.

The previous prime is 21000322111. The next prime is 21000322163. The reversal of 21000322119 is 91122300012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21000322119 - 2³ = 21000322111 is a prime.

It is a super-2 number, since 2×21000322119² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1000015339 = 21000322119 / (2 + 1 + 0 + 0 + 0 + 3 + 2 + 2 + 1 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21000322095 and 21000322104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000322111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500007649 + ... + 500007690.

It is an arithmetic number, because the mean of its divisors is an integer number (4000061360).

Almost surely, 2^21000322119 is an apocalyptic number.

21000322119 is a deficient number, since it is larger than the sum of its proper divisors (11000168761).

21000322119 is a wasteful number, since it uses less digits than its factorization.

21000322119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000015349.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 21000322119 in words is "twenty-one billion, three hundred twenty-two thousand, one hundred nineteen".