21112331320322 has 8 divisors (see below), whose sum is σ = 34547451251472. Its totient is φ = 9596514236500.

The previous prime is 21112331320321. The next prime is 21112331320397. The reversal of 21112331320322 is 22302313321112.

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 = 21112331320291 and 21112331320300.

It is not an unprimeable number, because it can be changed into a prime (21112331320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479825711804 + ... + 479825711847.

It is an arithmetic number, because the mean of its divisors is an integer number (4318431406434).

Almost surely, 2^{21112331320322} is an apocalyptic number.

21112331320322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21112331320322 is a deficient number, since it is larger than the sum of its proper divisors (13435119931150).

21112331320322 is a wasteful number, since it uses less digits than its factorization.

21112331320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959651423664.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21112331320322 its reverse (22302313321112), we get a palindrome (43414644641434).

The spelling of 21112331320322 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-one million, three hundred twenty thousand, three hundred twenty-two".