21021122310322 has 8 divisors (see below), whose sum is σ = 33191245753200. Its totient is φ = 9957373725924.

The previous prime is 21021122310283. The next prime is 21021122310323. The reversal of 21021122310322 is 22301322112012.

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 = 21021122310293 and 21021122310302.

It is not an unprimeable number, because it can be changed into a prime (21021122310323) 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, 276593714572 + ... + 276593714647.

It is an arithmetic number, because the mean of its divisors is an integer number (4148905719150).

Almost surely, 2^{21021122310322} is an apocalyptic number.

21021122310322 is a deficient number, since it is larger than the sum of its proper divisors (12170123442878).

21021122310322 is a wasteful number, since it uses less digits than its factorization.

21021122310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553187429240.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21021122310322 its reverse (22301322112012), we get a palindrome (43322444422334).

The spelling of 21021122310322 in words is "twenty-one trillion, twenty-one billion, one hundred twenty-two million, three hundred ten thousand, three hundred twenty-two".