21322231300333 has 4 divisors (see below), whose sum is σ = 21322281216640. Its totient is φ = 21322181384028.

The previous prime is 21322231300309. The next prime is 21322231300343. The reversal of 21322231300333 is 33300313222312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21322231300333 - 2²¹ = 21322229203181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322231300343) 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, 24311835 + ... + 25173592.

It is an arithmetic number, because the mean of its divisors is an integer number (5330570304160).

Almost surely, 2^{21322231300333} is an apocalyptic number.

It is an amenable number.

21322231300333 is a deficient number, since it is larger than the sum of its proper divisors (49916307).

21322231300333 is an equidigital number, since it uses as much as digits as its factorization.

21322231300333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49916306.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21322231300333 its reverse (33300313222312), we get a palindrome (54622544522645).

The spelling of 21322231300333 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred thirty-one million, three hundred thousand, three hundred thirty-three".