21033231022322 has 48 divisors (see below), whose sum is σ = 34639942321608. Its totient is φ = 9569135646720.

The previous prime is 21033231022277. The next prime is 21033231022511. The reversal of 21033231022322 is 22322013233012.

It can be written as a sum of positive squares in 12 ways, for example, as 5625572805241 + 15407658217081 = 2371829^2 + 3925259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21033231022291 and 21033231022300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225422 + ... + 6489782.

Almost surely, 2^{21033231022322} is an apocalyptic number.

21033231022322 is a deficient number, since it is larger than the sum of its proper divisors (13606711299286).

21033231022322 is a wasteful number, since it uses less digits than its factorization.

21033231022322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264591 (or 6264574 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21033231022322 its reverse (22322013233012), we get a palindrome (43355244255334).

The spelling of 21033231022322 in words is "twenty-one trillion, thirty-three billion, two hundred thirty-one million, twenty-two thousand, three hundred twenty-two".