21023332021322 has 8 divisors (see below), whose sum is σ = 32304144325572. Its totient is φ = 10255283912800.

The previous prime is 21023332021259. The next prime is 21023332021339. The reversal of 21023332021322 is 22312023332012.

It can be written as a sum of positive squares in 2 ways, for example, as 13294548376561 + 7728783644761 = 3646169^2 + 2780069^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21023332021291 and 21023332021300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128191048829 + ... + 128191048992.

Almost surely, 2^{21023332021322} is an apocalyptic number.

21023332021322 is a deficient number, since it is larger than the sum of its proper divisors (11280812304250).

21023332021322 is a wasteful number, since it uses less digits than its factorization.

21023332021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256382097864.

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

Adding to 21023332021322 its reverse (22312023332012), we get a palindrome (43335355353334).

The spelling of 21023332021322 in words is "twenty-one trillion, twenty-three billion, three hundred thirty-two million, twenty-one thousand, three hundred twenty-two".