21222231230333 has 8 divisors (see below), whose sum is σ = 24303781383552. Its totient is φ = 18153131785776.

The previous prime is 21222231230309. The next prime is 21222231230357. The reversal of 21222231230333 is 33303213222212.

It is an interprime number because it is at equal distance from previous prime (21222231230309) and next prime (21222231230357).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21222231230333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222231230296 and 21222231230305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222231230533) 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, 3112673510 + ... + 3112680327.

It is an arithmetic number, because the mean of its divisors is an integer number (3037972672944).

Almost surely, 2^{21222231230333} is an apocalyptic number.

It is an amenable number.

21222231230333 is a deficient number, since it is larger than the sum of its proper divisors (3081550153219).

21222231230333 is an equidigital number, since it uses as much as digits as its factorization.

21222231230333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225354331.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21222231230333 its reverse (33303213222212), we get a palindrome (54525444452545).

The spelling of 21222231230333 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirty-one million, two hundred thirty thousand, three hundred thirty-three".