22021213122323 has 8 divisors (see below), whose sum is σ = 22024281642000. Its totient is φ = 22018144837248.

The previous prime is 22021213122283. The next prime is 22021213122341. The reversal of 22021213122323 is 32322131212022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021213122323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021213122292 and 22021213122301.

It is not an unprimeable number, because it can be changed into a prime (22021213122343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262637615 + ... + 262721447.

It is an arithmetic number, because the mean of its divisors is an integer number (2753035205250).

Almost surely, 2^{22021213122323} is an apocalyptic number.

22021213122323 is a deficient number, since it is larger than the sum of its proper divisors (3068519677).

22021213122323 is a wasteful number, since it uses less digits than its factorization.

22021213122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117301.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22021213122323 its reverse (32322131212022), we get a palindrome (54343344334345).

The spelling of 22021213122323 in words is "twenty-two trillion, twenty-one billion, two hundred thirteen million, one hundred twenty-two thousand, three hundred twenty-three".