21220330112322 has 16 divisors (see below), whose sum is σ = 46298902063392. Its totient is φ = 6430403064320.

The previous prime is 21220330112321. The next prime is 21220330112329. The reversal of 21220330112322 is 22321103302212.

It is a junction number, because it is equal to n+sod(n) for n = 21220330112292 and 21220330112301.

It is not an unprimeable number, because it can be changed into a prime (21220330112321) 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, 160760076543 + ... + 160760076674.

It is an arithmetic number, because the mean of its divisors is an integer number (2893681378962).

Almost surely, 2^{21220330112322} is an apocalyptic number.

21220330112322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21220330112322 is an abundant number, since it is smaller than the sum of its proper divisors (25078571951070).

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

21220330112322 is a wasteful number, since it uses less digits than its factorization.

21220330112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321520153233.

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

Adding to 21220330112322 its reverse (22321103302212), we get a palindrome (43541433414534).

The spelling of 21220330112322 in words is "twenty-one trillion, two hundred twenty billion, three hundred thirty million, one hundred twelve thousand, three hundred twenty-two".