21033203322 has 8 divisors (see below), whose sum is σ = 42066406656. Its totient is φ = 7011067772.

The previous prime is 21033203293. The next prime is 21033203327. The reversal of 21033203322 is 22330233012.

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

21033203322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21033203327) 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, 1752766938 + ... + 1752766949.

It is an arithmetic number, because the mean of its divisors is an integer number (5258300832).

Almost surely, 2^21033203322 is an apocalyptic number.

21033203322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21033203322 is a wasteful number, since it uses less digits than its factorization.

21033203322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505533892.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21033203322 its reverse (22330233012), we get a palindrome (43363436334).

The spelling of 21033203322 in words is "twenty-one billion, thirty-three million, two hundred three thousand, three hundred twenty-two".