21302022123321 has 8 divisors (see below), whose sum is σ = 29637595997760. Its totient is φ = 13583898165552.

The previous prime is 21302022123313. The next prime is 21302022123331. The reversal of 21302022123321 is 12332122020312.

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

It is not a de Polignac number, because 21302022123321 - 2³ = 21302022123313 is a prime.

It is a super-2 number, since 2×21302022123321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21302022123291 and 21302022123300.

It is not an unprimeable number, because it can be changed into a prime (21302022123331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154362479086 + ... + 154362479223.

It is an arithmetic number, because the mean of its divisors is an integer number (3704699499720).

Almost surely, 2^{21302022123321} is an apocalyptic number.

It is an amenable number.

21302022123321 is a deficient number, since it is larger than the sum of its proper divisors (8335573874439).

21302022123321 is a wasteful number, since it uses less digits than its factorization.

21302022123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308724958335.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21302022123321 its reverse (12332122020312), we get a palindrome (33634144143633).

The spelling of 21302022123321 in words is "twenty-one trillion, three hundred two billion, twenty-two million, one hundred twenty-three thousand, three hundred twenty-one".