21300011222 has 8 divisors (see below), whose sum is σ = 36514304976. Its totient is φ = 9128576232.

The previous prime is 21300011179. The next prime is 21300011233. The reversal of 21300011222 is 22211000312.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1521429373 = 21300011222 / (2 + 1 + 3 + 0 + 0 + 0 + 1 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 21300011197 and 21300011206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760714673 + ... + 760714700.

It is an arithmetic number, because the mean of its divisors is an integer number (4564288122).

Almost surely, 2^21300011222 is an apocalyptic number.

21300011222 is a deficient number, since it is larger than the sum of its proper divisors (15214293754).

21300011222 is a wasteful number, since it uses less digits than its factorization.

21300011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521429382.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21300011222 its reverse (22211000312), we get a palindrome (43511011534).

The spelling of 21300011222 in words is "twenty-one billion, three hundred million, eleven thousand, two hundred twenty-two".